FB2026_03 , released September 17, 2026
CV Term Report
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Term negative regulation of pollen tube guidance ID (Ontology) GO:0160068 (Gene Ontology)
Definition Any process that decreases the rate, frequency or extent of pollen tube guidance towards ovules. This is one mechanism to prevent polytuby, the simultaneous penetration of ovules by multiple pollen tubes.[ PubMed:33790463 ]
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negative regulation of chemotaxis__
regulation of positive chemotaxis__|
                                   negative regulation of positive chemotaxis
                                    |__negative regulation of pollen tube guidance
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Is a negative regulation of positive chemotaxis
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  • "prevention of polytuby" BROAD
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