{"title":"Takakia 具有胚状体孢粉蛋白的关键标记。","authors":"Dae-Yeon Suh, Damanpreet K Sraan, Neil W Ashton","doi":"10.17912/micropub.biology.001165","DOIUrl":null,"url":null,"abstract":"<p><p>The enigmatic moss, <i>Takakia lepidozioides</i> , possesses a particular type III polyketide synthase, ASCL (Anther-Specific Chalcone synthase-Like), that is an identifying marker for genuine sporopollenin in the walls of embryophyte spores and pollen grains. By contrast, a survey of all algae with sequenced genomes confirms that they do not possess ASCL and, therefore, their spore walls are not composed of sporopollenin.</p>","PeriodicalId":74192,"journal":{"name":"microPublication biology","volume":"2024 ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11316218/pdf/","citationCount":"0","resultStr":"{\"title\":\"<i>Takakia</i> possesses a key marker of embryophyte sporopollenin.\",\"authors\":\"Dae-Yeon Suh, Damanpreet K Sraan, Neil W Ashton\",\"doi\":\"10.17912/micropub.biology.001165\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The enigmatic moss, <i>Takakia lepidozioides</i> , possesses a particular type III polyketide synthase, ASCL (Anther-Specific Chalcone synthase-Like), that is an identifying marker for genuine sporopollenin in the walls of embryophyte spores and pollen grains. By contrast, a survey of all algae with sequenced genomes confirms that they do not possess ASCL and, therefore, their spore walls are not composed of sporopollenin.</p>\",\"PeriodicalId\":74192,\"journal\":{\"name\":\"microPublication biology\",\"volume\":\"2024 \",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-07-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11316218/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"microPublication biology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.17912/micropub.biology.001165\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/1/1 0:00:00\",\"PubModel\":\"eCollection\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"microPublication biology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17912/micropub.biology.001165","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
神秘的苔藓 Takakia lepidozioides 具有一种特殊的 III 型多酮合成酶 ASCL（Anther-Specific Chalcone synthase-Like），这是胚状体孢子和花粉粒壁中真正孢粉素的识别标志。相比之下，对所有基因组测序的藻类进行的调查证实，它们不具备 ASCL，因此它们的孢子壁不是由孢粉蛋白组成的。
Takakia possesses a key marker of embryophyte sporopollenin.
The enigmatic moss, Takakia lepidozioides , possesses a particular type III polyketide synthase, ASCL (Anther-Specific Chalcone synthase-Like), that is an identifying marker for genuine sporopollenin in the walls of embryophyte spores and pollen grains. By contrast, a survey of all algae with sequenced genomes confirms that they do not possess ASCL and, therefore, their spore walls are not composed of sporopollenin.
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