Sampa Kundu , Maria Virginia Bianchinotti , Mahasin Ali Khan
{"title":"The first evidence of saprophytic Tetraploa on Siwalik (Late Miocene) monocot leaf from western Himalaya and its role in palaeoecology reconstruction","authors":"Sampa Kundu , Maria Virginia Bianchinotti , Mahasin Ali Khan","doi":"10.1016/j.funbio.2024.03.006","DOIUrl":null,"url":null,"abstract":"<div><p>Even though the records of <em>Tetraploa</em> spores from Mesozoic and Cenozoic sedimentary strata along with spore-pollen assemblages are numerous and well documented, no foliicolus <em>Tetraploa</em> macroconidia have been reported to date. Here, we report the first occurrence of conidia assignable to modern <em>Tetraploa</em> Berk. & Broome (Tetraplosphaeriaceae: Pleosporales: Dothideomycetes) on cuticular fragments of compressed monocot leaf recovered from the middle Siwalik sediments (Late Miocene; 12–8 Ma) of Himachal Himalaya, India. We determine their taxonomic position based on detailed macromorphological comparison with similar modern and fossil taxa and discuss their palaeoecological significance in terms of the present-day ecological conditions of modern analogues. This finding also represents an essential data source for understanding <em>Tetraploa</em>'s evolution and diversification in deep time.</p></div>","PeriodicalId":12683,"journal":{"name":"Fungal biology","volume":"128 3","pages":"Pages 1742-1750"},"PeriodicalIF":3.0000,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fungal biology","FirstCategoryId":"99","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S187861462400028X","RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/3/12 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"MYCOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Even though the records of Tetraploa spores from Mesozoic and Cenozoic sedimentary strata along with spore-pollen assemblages are numerous and well documented, no foliicolus Tetraploa macroconidia have been reported to date. Here, we report the first occurrence of conidia assignable to modern Tetraploa Berk. & Broome (Tetraplosphaeriaceae: Pleosporales: Dothideomycetes) on cuticular fragments of compressed monocot leaf recovered from the middle Siwalik sediments (Late Miocene; 12–8 Ma) of Himachal Himalaya, India. We determine their taxonomic position based on detailed macromorphological comparison with similar modern and fossil taxa and discuss their palaeoecological significance in terms of the present-day ecological conditions of modern analogues. This finding also represents an essential data source for understanding Tetraploa's evolution and diversification in deep time.
期刊介绍：
Fungal Biology publishes original contributions in all fields of basic and applied research involving fungi and fungus-like organisms (including oomycetes and slime moulds). Areas of investigation include biodeterioration, biotechnology, cell and developmental biology, ecology, evolution, genetics, geomycology, medical mycology, mutualistic interactions (including lichens and mycorrhizas), physiology, plant pathology, secondary metabolites, and taxonomy and systematics. Submissions on experimental methods are also welcomed. Priority is given to contributions likely to be of interest to a wide international audience.
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