Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

Telomere length variation in model Bryophytes

Version 1 : Received: 4 December 2023 / Approved: 5 December 2023 / Online: 5 December 2023 (15:01:12 CET)

A peer-reviewed article of this Preprint also exists.

Valeeva, L.R.; Sannikova, A.V.; Shafigullina, N.R.; Abdulkina, L.R.; Sharipova, M.R.; Shakirov, E.V. Telomere Length Variation in Model Bryophytes. Plants 2024, 13, 387. Valeeva, L.R.; Sannikova, A.V.; Shafigullina, N.R.; Abdulkina, L.R.; Sharipova, M.R.; Shakirov, E.V. Telomere Length Variation in Model Bryophytes. Plants 2024, 13, 387.

Abstract

The ends of linear chromosomes of most eukaryotes consist of protein-bound DNA arrays called telomeres, which play essential roles in protecting genome integrity. Despite general evolutionary conservation in function, telomeric DNA is known to drastically vary in length and sequence between different eukaryotic lineages. Bryophytes are a group of early diverging land plants that include mosses, liverworts, and hornworts. This group of ancient land plants recently emerged as a new model for important discoveries in genomics and evolutionary biology, as well as for understanding plant adaptations to a terrestrial lifestyle. We measured telomere length in different ecotypes of model Bryophyte species, including Physcomitrium patens, Marchantia polymorpha, Ceratodon purpureus, and in Sphagnum isolates. Our data indicate that all analyzed moss and liverwort genotypes have relatively short telomeres. Furthermore, all analyzed ecotypes and isolates of model mosses and liverworts display evidence of substantial natural variation in telomere length. Interestingly, telomere length also differs between male and female strains of the dioecious liverwort M. polymorpha and dioecious moss C. purpureus. Given that Bryophytes are extraordinarily well-adapted to different ecological niches from polar to tropical environments, our data will contribute to understanding the impact of natural telomere length variation on evolutionary adaptations in this ancient land plant lineage.

Keywords

TRF analysis; ITS; Physcomitrium; Ceratodon; Marchantia; Sphagnum; dioecious

Subject

Biology and Life Sciences, Plant Sciences

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our Diversity statement.

Leave a public comment
Send a private comment to the author(s)
* All users must log in before leaving a comment
Views 0
Downloads 0
Comments 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.
We use cookies on our website to ensure you get the best experience.
Read more about our cookies here.