The ecology of palm genomes: repeat-associated genome size expansion is constrained by aridity

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F22%3A00568619" target="_blank" >RIV/60077344:_____/22:00568619 - isvavai.cz</a>

Alternative codes found

RIV/67985939:_____/22:00568619

Result on the web

<a href="https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.18323" target="_blank" >https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.18323</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/nph.18323" target="_blank" >10.1111/nph.18323</a>

Result language

angličtina

Original language name

The ecology of palm genomes: repeat-associated genome size expansion is constrained by aridity

Original language description

Genome size varies 2400-fold across plants, influencing their evolution through changes in cell size and cell division rates which impact plants environmental stress tolerance. Repetitive element expansion explains much genome size diversity, and the processes structuring repeat communities are analogous to those structuring ecological communities. However, which environmental stressors influence repeat community dynamics has not yet been examined from an ecological perspective. We measured genome size and leveraged climatic data for 91% of genera within the ecologically diverse palm family (Arecaceae). We then generated genomic repeat profiles for 141 palm species, and analysed repeats using phylogenetically informed linear models to explore relationships between repeat dynamics and environmental factors. We show that palm genome size and repeat community composition are best explained by aridity. Specifically, Ty3-gypsy and TIR elements were more abundant in palm species from wetter environments, which generally had larger genomes, suggesting amplification. By contrast, Ty1-copia and LINE elements were more abundant in drier environments. Our results suggest that water stress inhibits repeat expansion through selection on upper genome size limits. However, elements that may associate with stress-response genes (e.g. Ty1-copia) have amplified in arid-adapted palm species. Overall, we provide novel evidence of climate influencing the assembly of repeat communities.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10603 - Genetics and heredity (medical genetics to be 3)

Project

<a href="/en/project/LM2018131" target="_blank" >LM2018131: Czech National Infrastructure for Biological Data</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

New Phytologist

ISSN

0028-646X

e-ISSN

1469-8137

Volume of the periodical

236

Issue of the periodical within the volume

2

Country of publishing house

GB - UNITED KINGDOM

Number of pages

14

Pages from-to

433-446

UT code for WoS article

000825154600001

EID of the result in the Scopus database

2-s2.0-85133554733