Testing the large genome constraint hypothesis in tropical rhizomatous herbs: life strategies, plant traits and habitat preferences in gingers

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023272%3A_____%2F24%3A10136148" target="_blank" >RIV/00023272:_____/24:10136148 - isvavai.cz</a>

Result on the web

<a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/tpj.16559" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1111/tpj.16559</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/tpj.16559" target="_blank" >10.1111/tpj.16559</a>

Result language

angličtina

Original language name

Testing the large genome constraint hypothesis in tropical rhizomatous herbs: life strategies, plant traits and habitat preferences in gingers

Original language description

Plant species with large genomes tend to be excluded from climatically more extreme environments with ashorter growing season. Species that occupy such environments are assumed to be under natural selectionfor more rapid growth and smaller genome size (GS). However, evidence for this is available only for tem-perate organisms. Here, we study the evolution of GS in two subfamilies of the tropical family Zingibera-ceae to find out whether species with larger genomes are confined to environments where the vegetativeseason is longer. We tested our hypothesis on 337 ginger species from regions with contrasting climates bycorrelating their GS with an array of plant traits and environmental variables. We revealed 16-fold variationin GS which was tightly related to shoot seasonality. Negative correlations of GS with latitude, temperatureand precipitation emerged in the subfamily Zingiberoidae, demonstrating that species with larger GS areexcluded from areas with a shorter growing season. In the subfamily Alpinioideae, GS turned out to be cor-related with the type of stem and light requirements and its members cope with seasonality mainly byadaptation to shady and moist habitats. The Ornstein-Uhlenbeck models suggested that evolution inregions with humid climates favoured larger GS than in drier regions. Our results indicate that climate sea-sonality exerts an upper constraint on GS not only in temperate regions but also in the tropics, unless spe-cies with large genomes find alternative ways to escape from that constraint.

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

10611 - Plant sciences, botany

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2024

Confidentiality

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

Name of the periodical

Plant Journal

ISSN

1365-313X

e-ISSN

—

Volume of the periodical

117

Issue of the periodical within the volume

4

Country of publishing house

GB - UNITED KINGDOM

Number of pages

16

Pages from-to

1223-1238

UT code for WoS article

001109288000001

EID of the result in the Scopus database

—