De novo Genome Assembly of Auanema melissensis, a Trioecious Free-Living Nematode

Nematodes of the genus are interesting models for studying sex determination mechanisms because their populations consist of three sexual morphs (males, females, and hermaphrodites) and produce skewed sex ratios. Here, we introduce a new undescribed species of this genus, n. sp., together with its d...

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Bibliographic Details
Published in:	Journal of nematology Vol. 54; no. 1; pp. 20220059 - 527
Main Authors:	Tandonnet, Sophie, Haq, Maairah, Turner, Anisa, Grana, Theresa, Paganopoulou, Panagiota, Adams, Sally, Dhawan, Sandhya, Kanzaki, Natsumi, Nuez, Isabelle, Félix, Marie-Anne, Pires-daSilva, André
Format:	Journal Article
Language:	English
Published:	Poland Sciendo 07-02-2023
Subjects:	annotation assembly auanema melissensis genomics morphology nematode Research Paper taxonomy trioecious annotation Auanema melissensis nematode morphology assembly genomics taxonomy trioecious
Online Access:	Get full text
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Summary:	Nematodes of the genus are interesting models for studying sex determination mechanisms because their populations consist of three sexual morphs (males, females, and hermaphrodites) and produce skewed sex ratios. Here, we introduce a new undescribed species of this genus, n. sp., together with its draft nuclear genome. This species is also trioecious and does not cross with the other described species or . Similar to , ’ maternal environment influences the hermaphrodite versus female sex determination of the offspring. The genome of is ~60 Mb, containing 11,040 protein-coding genes and 8.07% of repeat sequences. Using the estimated ancestral chromosomal gene content (Nigon elements), it was possible to identify putative X chromosome scaffolds.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0022-300X 2640-396X 2640-396X
DOI:	10.2478/jofnem-2022-0059