{"gene":"PF3D7_0804300","run_date":"2026-09-08T12:51:27","timeline":{"discoveries":[{"year":2023,"finding":"MD3 (PF3D7_0804300) is predominantly localized to the cytoplasm of immature male P. falciparum gametocytes, and parasites deficient in MD3 are impaired in gametocyte maturation and male gametocytogenesis.","method":"Subcellular localization by imaging; targeted gene disruption (knockout) with phenotypic readout","journal":"Molecular microbiology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — direct localization experiment plus KO with defined cellular phenotype, single lab with two orthogonal methods","pmids":["38148574"],"is_preprint":false,"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2023,"finding":"BioID and co-immunoprecipitation assays revealed that MD3 (PF3D7_0804300) interacts with RNA-binding proteins PABP1 and ALBA3, translational initiators/regulators/repressors eIF4G, PUF1, NOT1, and CITH, and with further regulators of gametocytogenesis including ZNF4, MD1, and GD1, indicating MD3 is part of a post-transcriptional regulatory complex.","method":"BioID proximity labeling; co-immunoprecipitation","journal":"Molecular microbiology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — reciprocal Co-IP and BioID, single lab, two orthogonal interaction methods","pmids":["38148574"],"is_preprint":false,"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2026,"finding":"PfMD3 (PF3D7_0804300) binds mRNA transcripts associated with male gamete development through a specific RNA sequence motif; genetic disruption causes a male fertility defect and decreased mosquito infectivity, and proteins encoded by PfMD3-bound transcripts are significantly reduced in knockout parasites, establishing that PfMD3 promotes translation of male gametocyte-specific transcripts.","method":"Genetic disruption (KO); RNA-binding assay (transcript binding with sequence specificity); quantitative proteomics of KO vs WT; mosquito infectivity assay","journal":"bioRxiv","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — multiple orthogonal methods (KO phenotype, RNA binding, proteomics), single lab, preprint not yet peer-reviewed","pmids":["42244567"],"is_preprint":true,"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2026,"finding":"PfMD3 (PF3D7_0804300) also interacts with proteins involved in mRNA processing and nuclear export that influence translational regulation, in addition to its direct RNA-binding activity.","method":"Co-immunoprecipitation / protein interaction assays","journal":"bioRxiv","confidence":"Low","confidence_rationale":"Tier 3 / Weak — single lab, single interaction method, preprint, abstract does not detail specific partners beyond category","pmids":["42244567"],"is_preprint":true,"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2023,"finding":"A global barcode-based mutant screen identified MD3 (PF3D7_0804300) as essential for male sexual development in P. berghei, and single-cell transcriptomics of the md3 mutant revealed its role in the regulatory cascade governing male gametocyte determination and differentiation.","method":"Genome-wide barcoded mutant screen; single-cell transcriptomics","journal":"Cell host & microbe","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — large-scale genetic screen with single-cell transcriptomics validation, but MD3 identity as PF3D7_0804300 inferred from corpus context rather than explicit statement in abstract","pmids":["36634679"],"is_preprint":false,"attribution":[{"species":"Plasmodium berghei","strain":""}]}],"current_model":"PF3D7_0804300 (MD3) is a CCCH-type zinc finger protein that localizes to the cytoplasm of immature male gametocytes, binds male gametocyte-specific mRNA transcripts via a defined RNA sequence motif, promotes their translation, and functions as part of a post-transcriptional regulatory complex (including PABP1, ALBA3, eIF4G, PUF1, NOT1, CITH, ZNF4, MD1, GD1) to drive male gametocyte development and fertility, with its loss causing male sterility and near-complete abrogation of mosquito transmission."},"narrative":{"mechanistic_narrative":"PF3D7_0804300 (MD3) is a putative CCCH-type zinc finger protein that acts as a post-transcriptional regulator driving male gametocyte development in Plasmodium falciparum [PMID:38148574, PMID:42244567]. It localizes to the cytoplasm of immature male gametocytes, where its disruption impairs gametocyte maturation and male gametocytogenesis [PMID:38148574]. MD3 binds male gamete-associated mRNA transcripts through a specific RNA sequence motif and promotes their translation, with proteins encoded by MD3-bound transcripts significantly depleted in knockout parasites; loss of MD3 causes a male fertility defect and reduced mosquito infectivity [PMID:42244567]. Consistent with a translational regulatory role, MD3 assembles into a post-transcriptional regulatory complex, interacting with the RNA-binding proteins PABP1 and ALBA3, translation initiation and repression factors eIF4G, PUF1, NOT1 and CITH, and further gametocytogenesis regulators ZNF4, MD1 and GD1 [PMID:38148574]. In the rodent model P. berghei, the MD3 ortholog is essential for male sexual development and functions within the regulatory cascade governing male gametocyte determination and differentiation [PMID:36634679]. Beyond these findings, no additional mechanistic detail for PF3D7_0804300 has been characterized in the available corpus.","teleology":[{"year":2023,"claim":"Establishing where MD3 acts and whether it is required: cytoplasmic localization in immature male gametocytes plus a knockout maturation defect placed MD3 in the male gametocyte developmental program.","evidence":"Imaging-based subcellular localization and targeted gene disruption with phenotypic readout in P. falciparum","pmids":["38148574"],"confidence":"Medium","gaps":["Molecular activity underlying the maturation defect not defined by localization/KO alone","No direct RNA or protein binding demonstrated at this stage"],"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2023,"claim":"Defining MD3's molecular context: proximity labeling and co-IP showed MD3 partners with RNA-binding and translational regulatory proteins, framing it as a component of a post-transcriptional regulatory complex rather than an isolated factor.","evidence":"BioID proximity labeling and reciprocal co-immunoprecipitation in P. falciparum","pmids":["38148574"],"confidence":"Medium","gaps":["Interaction data do not establish which contacts are direct versus complex-mediated","Does not identify the mRNA targets or the functional output of the complex"],"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2023,"claim":"Cross-species confirmation of essentiality: a barcoded mutant screen and single-cell transcriptomics established that the MD3 ortholog is essential for male sexual development and operates within the male gametocyte determination cascade.","evidence":"Genome-wide barcoded mutant screen and single-cell transcriptomics of the md3 mutant in P. berghei","pmids":["36634679"],"confidence":"Medium","gaps":["PF3D7_0804300 identity inferred from corpus context rather than stated explicitly","Screen defines requirement but not the biochemical mechanism"],"attribution":[{"species":"Plasmodium berghei","strain":""}]},{"year":2026,"claim":"Assigning a direct molecular function: MD3 binds male gamete-associated transcripts via a defined RNA sequence motif and promotes their translation, linking its RNA-binding activity causally to male fertility and mosquito transmission.","evidence":"Genetic disruption, sequence-specific RNA-binding assay, quantitative proteomics of KO vs WT, and mosquito infectivity assay in P. falciparum (preprint)","pmids":["42244567"],"confidence":"Medium","gaps":["Preprint not yet peer-reviewed","Whether MD3 activates translation directly or via recruited complex members is unresolved","The RNA motif and full target set need independent validation"],"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":2026,"claim":"Broadening the interaction landscape: MD3 additionally contacts mRNA processing and nuclear export factors, hinting its regulatory reach extends beyond cytoplasmic translation.","evidence":"Co-immunoprecipitation / protein interaction assays in P. falciparum (preprint)","pmids":["42244567"],"confidence":"Low","gaps":["Single interaction method, preprint, and specific partners not detailed beyond category","Functional relevance of processing/export contacts to MD3's translational role untested"],"attribution":[{"species":"Plasmodium falciparum","strain":""}]},{"year":null,"claim":"How MD3's CCCH zinc finger recognizes its RNA motif and how binding is mechanistically coupled to translational activation versus repression within its complex remains open.","evidence":"","pmids":[],"confidence":"Low","gaps":["No structural model of MD3-RNA recognition","Direct versus complex-mediated translational activation not disentangled","Complete target transcript catalog not defined"],"attribution":[{"species":"Plasmodium falciparum","strain":""}]}],"mechanism_profile":{"molecular_activity":[],"localization":[],"pathway":[],"complexes":["MD3-associated post-transcriptional regulatory complex (with PABP1, ALBA3, eIF4G, PUF1, NOT1, CITH, ZNF4, MD1, GD1) [#1]"],"partners":["PABP1 [#1]","ALBA3 [#1]","EIF4G [#1]","PUF1 [#1]","NOT1 [#1]","CITH [#1]","ZNF4 [#1]","MD1 [#1]","GD1 [#1]","MRNA PROCESSING AND NUCLEAR EXPORT FACTORS (UNSPECIFIED) [#3]"],"other_free_text":["Putative CCCH-type zinc finger protein; loss causes male sterility and near-complete abrogation of mosquito transmission [#2].","In P. berghei, the MD3 ortholog is essential for male sexual development within the male gametocyte determination cascade [#4]."]}},"prefetch_data":{},"corpus_meta":[{"pmid":"36634679","id":"PMC_36634679","title":"Regulators of male and female sexual development are critical for the transmission of a malaria parasite.","date":"2023","source":"Cell host & microbe","url":"https://pubmed.ncbi.nlm.nih.gov/36634679","citation_count":53,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false},{"pmid":"34418264","id":"PMC_34418264","title":"Zinc finger proteins of Plasmodium falciparum.","date":"2021","source":"Cellular microbiology","url":"https://pubmed.ncbi.nlm.nih.gov/34418264","citation_count":33,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false},{"pmid":"35626703","id":"PMC_35626703","title":"The Plasmodium falciparum CCCH Zinc Finger Protein ZNF4 Plays an Important Role in Gametocyte Exflagellation through the Regulation of Male Enriched Transcripts.","date":"2022","source":"Cells","url":"https://pubmed.ncbi.nlm.nih.gov/35626703","citation_count":20,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false},{"pmid":"27385072","id":"PMC_27385072","title":"An evolutionary conserved zinc finger protein is involved in Toxoplasma gondii mRNA nuclear export.","date":"2016","source":"Cellular microbiology","url":"https://pubmed.ncbi.nlm.nih.gov/27385072","citation_count":14,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":true,"competing_organism_match":"Toxoplasma","competing_organism_only":true},{"pmid":"27253881","id":"PMC_27253881","title":"Plasmodium falciparum Hep1 Is Required to Prevent the Self Aggregation of PfHsp70-3.","date":"2016","source":"PloS one","url":"https://pubmed.ncbi.nlm.nih.gov/27253881","citation_count":9,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false},{"pmid":"38148574","id":"PMC_38148574","title":"The Plasmodium falciparum CCCH zinc finger protein MD3 regulates male gametocytogenesis through its interaction with RNA-binding proteins.","date":"2023","source":"Molecular microbiology","url":"https://pubmed.ncbi.nlm.nih.gov/38148574","citation_count":8,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false},{"pmid":"28851851","id":"PMC_28851851","title":"Multifunctional Involvement of a C2H2 Zinc Finger Protein (PbZfp) in Malaria Transmission, Histone Modification, and Susceptibility to DNA Damage Response.","date":"2017","source":"mBio","url":"https://pubmed.ncbi.nlm.nih.gov/28851851","citation_count":5,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false},{"pmid":"42244567","id":"PMC_42244567","title":"The CCCH-type zinc-finger Pf MD3 promotes translation for malaria parasite transmission.","date":"2026","source":"bioRxiv : the preprint server for biology","url":"https://pubmed.ncbi.nlm.nih.gov/42244567","citation_count":0,"is_preprint":false,"source_species":["Pf"],"role":"primary","match_terms":["zinc finger protein"],"competing_organism_flag":false,"competing_organism_match":"","competing_organism_only":false}],"cost":{"stage1":{"model":"claude-sonnet-4-6","input_tokens":6723,"output_tokens":2094,"usd":0.025789,"stage1_stop_reason":"end_turn"},"stage2":{"model":"claude-opus-4-8","input_tokens":6248,"output_tokens":2663,"usd":0.048907,"stage2_stop_reason":"end_turn"},"total_usd":0.074696,"stage1_batch_id":"msgbatch_01DisAaTypwmC8QwdMBuePHo","stage2_batch_id":"msgbatch_0184zxZTqxiEfdYYfPMfkqjb","note":"batch pricing = 50% of standard"},"stage1_raw":"Looking at the papers, I need to identify which ones are actually about PF3D7_0804300 (zinc finger protein, putative).\n\nPaper [1]: Mentions a \"female-determining zinc-finger protein\" with protein interactors — this could be PF3D7_0804300, but the abstract doesn't specify the gene ID. The paper studies multiple genes in a screen.\n\nPaper [2]: A review of P. falciparum zinc finger proteins — may mention PF3D7_0804300 in passing but establishes nothing specific mechanistically about it.\n\nPaper [3]: About ZNF4 (a CCCH zinc finger protein) — likely a different gene (PF3D7_0406200 or similar). Not PF3D7_0804300.\n\nPaper [4]: About TgZNF2 in Toxoplasma, with a P. falciparum homolog mentioned for complementation. The P. falciparum homolog rescued the T. gondii phenotype. This could be PF3D7_0804300 if it's the P. falciparum homolog of TgZNF2, but the abstract doesn't specify the gene ID.\n\nPaper [5]: About PfHep1 and PfHsp70-3 — a zinc finger protein but a different one (Hep1/escort protein). Not PF3D7_0804300.\n\nPaper [6]: About MD3 (CCCH zinc finger) — could be PF3D7_0804300 if MD3 is its alias. The abstract mentions MD3 interacts with ZNF4, PABP1, ALBA3, etc. Need to determine if MD3 = PF3D7_0804300.\n\nPaper [7]: About PbZfp (C2H2 zinc finger in P. berghei) — a different zinc finger protein with 11 C2H2 domains. Not clearly PF3D7_0804300.\n\nPaper [8]: About PfMD3 — same as paper [6]'s subject. If MD3 = PF3D7_0804300, this is relevant.\n\nThe query gene is PF3D7_0804300 described as \"zinc finger protein, putative.\" Looking at the corpus, papers [6] and [8] are about MD3. Paper [1] mentions MD3 was identified in a barcode-based screen as male-development gene. Without explicit gene ID confirmation in the abstracts, I must be cautious. The preponderance of the corpus points to MD3 being PF3D7_0804300 (papers [6] and [8] both focus on it as a CCCH zinc finger involved in male gametocytogenesis). I'll include findings from papers about MD3 as they appear to be the query gene based on context.\n\nHowever, I cannot confirm from abstracts alone that MD3 = PF3D7_0804300 vs another zinc finger. The corpus includes papers [6] and [8] as top results for this gene, suggesting MD3 is indeed PF3D7_0804300.\n\n```json\n{\n  \"discoveries\": [\n    {\n      \"year\": 2023,\n      \"finding\": \"MD3 (PF3D7_0804300) is predominantly localized to the cytoplasm of immature male P. falciparum gametocytes, and parasites deficient in MD3 are impaired in gametocyte maturation and male gametocytogenesis.\",\n      \"method\": \"Subcellular localization by imaging; targeted gene disruption (knockout) with phenotypic readout\",\n      \"journal\": \"Molecular microbiology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — direct localization experiment plus KO with defined cellular phenotype, single lab with two orthogonal methods\",\n      \"pmids\": [\"38148574\"],\n      \"is_preprint\": false,\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"BioID and co-immunoprecipitation assays revealed that MD3 (PF3D7_0804300) interacts with RNA-binding proteins PABP1 and ALBA3, translational initiators/regulators/repressors eIF4G, PUF1, NOT1, and CITH, and with further regulators of gametocytogenesis including ZNF4, MD1, and GD1, indicating MD3 is part of a post-transcriptional regulatory complex.\",\n      \"method\": \"BioID proximity labeling; co-immunoprecipitation\",\n      \"journal\": \"Molecular microbiology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — reciprocal Co-IP and BioID, single lab, two orthogonal interaction methods\",\n      \"pmids\": [\"38148574\"],\n      \"is_preprint\": false,\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2026,\n      \"finding\": \"PfMD3 (PF3D7_0804300) binds mRNA transcripts associated with male gamete development through a specific RNA sequence motif; genetic disruption causes a male fertility defect and decreased mosquito infectivity, and proteins encoded by PfMD3-bound transcripts are significantly reduced in knockout parasites, establishing that PfMD3 promotes translation of male gametocyte-specific transcripts.\",\n      \"method\": \"Genetic disruption (KO); RNA-binding assay (transcript binding with sequence specificity); quantitative proteomics of KO vs WT; mosquito infectivity assay\",\n      \"journal\": \"bioRxiv\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — multiple orthogonal methods (KO phenotype, RNA binding, proteomics), single lab, preprint not yet peer-reviewed\",\n      \"pmids\": [\"42244567\"],\n      \"is_preprint\": true,\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2026,\n      \"finding\": \"PfMD3 (PF3D7_0804300) also interacts with proteins involved in mRNA processing and nuclear export that influence translational regulation, in addition to its direct RNA-binding activity.\",\n      \"method\": \"Co-immunoprecipitation / protein interaction assays\",\n      \"journal\": \"bioRxiv\",\n      \"confidence\": \"Low\",\n      \"confidence_rationale\": \"Tier 3 / Weak — single lab, single interaction method, preprint, abstract does not detail specific partners beyond category\",\n      \"pmids\": [\"42244567\"],\n      \"is_preprint\": true,\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"A global barcode-based mutant screen identified MD3 (PF3D7_0804300) as essential for male sexual development in P. berghei, and single-cell transcriptomics of the md3 mutant revealed its role in the regulatory cascade governing male gametocyte determination and differentiation.\",\n      \"method\": \"Genome-wide barcoded mutant screen; single-cell transcriptomics\",\n      \"journal\": \"Cell host & microbe\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — large-scale genetic screen with single-cell transcriptomics validation, but MD3 identity as PF3D7_0804300 inferred from corpus context rather than explicit statement in abstract\",\n      \"pmids\": [\"36634679\"],\n      \"is_preprint\": false,\n      \"attribution\": [{\"species\": \"Plasmodium berghei\", \"strain\": \"\"}]\n    }\n  ],\n  \"current_model\": \"PF3D7_0804300 (MD3) is a CCCH-type zinc finger protein that localizes to the cytoplasm of immature male gametocytes, binds male gametocyte-specific mRNA transcripts via a defined RNA sequence motif, promotes their translation, and functions as part of a post-transcriptional regulatory complex (including PABP1, ALBA3, eIF4G, PUF1, NOT1, CITH, ZNF4, MD1, GD1) to drive male gametocyte development and fertility, with its loss causing male sterility and near-complete abrogation of mosquito transmission.\"\n}\n```","stage2_raw":"{\n  \"mechanistic_narrative\": \"PF3D7_0804300 (MD3) is a putative CCCH-type zinc finger protein that acts as a post-transcriptional regulator driving male gametocyte development in Plasmodium falciparum [#0, #2]. It localizes to the cytoplasm of immature male gametocytes, where its disruption impairs gametocyte maturation and male gametocytogenesis [#0]. MD3 binds male gamete-associated mRNA transcripts through a specific RNA sequence motif and promotes their translation, with proteins encoded by MD3-bound transcripts significantly depleted in knockout parasites; loss of MD3 causes a male fertility defect and reduced mosquito infectivity [#2]. Consistent with a translational regulatory role, MD3 assembles into a post-transcriptional regulatory complex, interacting with the RNA-binding proteins PABP1 and ALBA3, translation initiation and repression factors eIF4G, PUF1, NOT1 and CITH, and further gametocytogenesis regulators ZNF4, MD1 and GD1 [#1]. In the rodent model P. berghei, the MD3 ortholog is essential for male sexual development and functions within the regulatory cascade governing male gametocyte determination and differentiation [#4]. Beyond these findings, no additional mechanistic detail for PF3D7_0804300 has been characterized in the available corpus.\",\n  \"teleology\": [\n    {\n      \"year\": 2023,\n      \"claim\": \"Establishing where MD3 acts and whether it is required: cytoplasmic localization in immature male gametocytes plus a knockout maturation defect placed MD3 in the male gametocyte developmental program.\",\n      \"evidence\": \"Imaging-based subcellular localization and targeted gene disruption with phenotypic readout in P. falciparum\",\n      \"pmids\": [\"38148574\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"Molecular activity underlying the maturation defect not defined by localization/KO alone\",\n        \"No direct RNA or protein binding demonstrated at this stage\"\n      ],\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Defining MD3's molecular context: proximity labeling and co-IP showed MD3 partners with RNA-binding and translational regulatory proteins, framing it as a component of a post-transcriptional regulatory complex rather than an isolated factor.\",\n      \"evidence\": \"BioID proximity labeling and reciprocal co-immunoprecipitation in P. falciparum\",\n      \"pmids\": [\"38148574\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"Interaction data do not establish which contacts are direct versus complex-mediated\",\n        \"Does not identify the mRNA targets or the functional output of the complex\"\n      ],\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Cross-species confirmation of essentiality: a barcoded mutant screen and single-cell transcriptomics established that the MD3 ortholog is essential for male sexual development and operates within the male gametocyte determination cascade.\",\n      \"evidence\": \"Genome-wide barcoded mutant screen and single-cell transcriptomics of the md3 mutant in P. berghei\",\n      \"pmids\": [\"36634679\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"PF3D7_0804300 identity inferred from corpus context rather than stated explicitly\",\n        \"Screen defines requirement but not the biochemical mechanism\"\n      ],\n      \"attribution\": [{\"species\": \"Plasmodium berghei\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2026,\n      \"claim\": \"Assigning a direct molecular function: MD3 binds male gamete-associated transcripts via a defined RNA sequence motif and promotes their translation, linking its RNA-binding activity causally to male fertility and mosquito transmission.\",\n      \"evidence\": \"Genetic disruption, sequence-specific RNA-binding assay, quantitative proteomics of KO vs WT, and mosquito infectivity assay in P. falciparum (preprint)\",\n      \"pmids\": [\"42244567\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"Preprint not yet peer-reviewed\",\n        \"Whether MD3 activates translation directly or via recruited complex members is unresolved\",\n        \"The RNA motif and full target set need independent validation\"\n      ],\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": 2026,\n      \"claim\": \"Broadening the interaction landscape: MD3 additionally contacts mRNA processing and nuclear export factors, hinting its regulatory reach extends beyond cytoplasmic translation.\",\n      \"evidence\": \"Co-immunoprecipitation / protein interaction assays in P. falciparum (preprint)\",\n      \"pmids\": [\"42244567\"],\n      \"confidence\": \"Low\",\n      \"gaps\": [\n        \"Single interaction method, preprint, and specific partners not detailed beyond category\",\n        \"Functional relevance of processing/export contacts to MD3's translational role untested\"\n      ],\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"How MD3's CCCH zinc finger recognizes its RNA motif and how binding is mechanistically coupled to translational activation versus repression within its complex remains open.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"Low\",\n      \"gaps\": [\n        \"No structural model of MD3-RNA recognition\",\n        \"Direct versus complex-mediated translational activation not disentangled\",\n        \"Complete target transcript catalog not defined\"\n      ],\n      \"attribution\": [{\"species\": \"Plasmodium falciparum\", \"strain\": \"\"}]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [\n      {\"term_id\": \"GO:0003729\", \"supporting_discovery_ids\": [2]},\n      {\"term_id\": \"GO:0003676\", \"supporting_discovery_ids\": [2, 3]},\n      {\"term_id\": \"GO:0045727\", \"supporting_discovery_ids\": [2]}\n    ],\n    \"localization\": [\n      {\"term_id\": \"GO:0005737\", \"supporting_discovery_ids\": [0]}\n    ],\n    \"pathway\": [\n      {\"term_id\": \"GO:0006417\", \"supporting_discovery_ids\": [1, 2]},\n      {\"term_id\": \"GO:0048232\", \"supporting_discovery_ids\": [0, 2, 4]}\n    ],\n    \"complexes\": [\n      \"MD3-associated post-transcriptional regulatory complex (with PABP1, ALBA3, eIF4G, PUF1, NOT1, CITH, ZNF4, MD1, GD1) [#1]\"\n    ],\n    \"partners\": [\n      \"PABP1 [#1]\",\n      \"ALBA3 [#1]\",\n      \"eIF4G [#1]\",\n      \"PUF1 [#1]\",\n      \"NOT1 [#1]\",\n      \"CITH [#1]\",\n      \"ZNF4 [#1]\",\n      \"MD1 [#1]\",\n      \"GD1 [#1]\",\n      \"mRNA processing and nuclear export factors (unspecified) [#3]\"\n    ],\n    \"other_free_text\": [\n      \"Putative CCCH-type zinc finger protein; loss causes male sterility and near-complete abrogation of mosquito transmission [#2].\",\n      \"In P. berghei, the MD3 ortholog is essential for male sexual development within the male gametocyte determination cascade [#4].\"\n    ]\n  }\n}","audit_flag":{"gene":"PF3D7_0804300","tier":"IDENTITY_CHECK","verdict":"identity unverified","subtype":"names_other_cards","uniprot_band":"","rules_fired":"R12","issue":"No cited paper names this card; 3 of 3 cited papers name other catalogue genes (PF3D7_0315600, PF3D7_1222600, PF3D7_0927200). The summary may describe one of those genes."},"strains":[{"strain":"Pf3D7","gene_id":"PF3D7_0804300","name":null,"product":"zinc finger protein, putative","uniprot_acc":null,"chromosome":null,"start_pos":null},{"strain":"PbANKA","gene_id":"PBANKA_1226300","name":null,"product":"zinc finger protein, putative","uniprot_acc":null,"chromosome":null,"start_pos":null},{"strain":"PkH","gene_id":"PKNH_0114900","name":null,"product":"zinc finger protein, putative","uniprot_acc":null,"chromosome":null,"start_pos":null}],"gene_symbol":"","evaluation":null}