IAPT chromosome data 46

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F25%3A00643805" target="_blank" >RIV/67985939:_____/25:00643805 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/25:10507855

Výsledek na webu

<a href="https://doi.org/10.1002/tax.70086" target="_blank" >https://doi.org/10.1002/tax.70086</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/tax.70086" target="_blank" >10.1002/tax.70086</a>

Jazyk výsledku

angličtina

Název v původním jazyce

IAPT chromosome data 46

Popis výsledku v původním jazyce

Anastatica hierochuntica L., the True Rose of Jericho, is a monotypic genus endemic to the Saharo-Arabian deserts. This annual plant is an extremophyte, exhibiting exceptional tolerance to drought, high salinity, and intense solar radiation (Eshel & al., 2017). It has evolved a unique hygrochastic seed dispersal mechanism, forming persistent aboveground seed banks that enable rapid germination following rare rainfall events (Friedman & al., 1978, Hegazy & al., 2006). Cytogenomic studies have revealed that Anastatica underwent a lineage-specific whole-genome duplication followed by descending dysploidy from 2n = 32 to 2n = 22, accompanied by extensive chromosome repatterning (Mandáková & al., 2017). These features make it an ideal model for studying genome evolution and adaptation to arid environments. Here, chromosome numbers were determined in 32 populations of Anastatica hierochuntica sampled across its distribution range. This broad sampling was designed to capture potential cytotypic variation across geographically and ecologically distinct regions, especially given the species’ fragmented distribution and hypothesized historical disjunctions (Pokorny & al., 2015, Mairal & al., 2017). All analyzed individuals exhibited a chromosome number of 2n = 22, consistent with previous cytogenetic report (Mandáková & al., 2017). No aneuploidy or B chromosomes were observed. The uniformity of chromosome number across all populations supports the hypothesis of a stabilized post-polyploid genome structure in this mesohexaploid lineage, despite its ecological breadth and evolutionary history.

Název v anglickém jazyce

IAPT chromosome data 46

Popis výsledku anglicky

Anastatica hierochuntica L., the True Rose of Jericho, is a monotypic genus endemic to the Saharo-Arabian deserts. This annual plant is an extremophyte, exhibiting exceptional tolerance to drought, high salinity, and intense solar radiation (Eshel & al., 2017). It has evolved a unique hygrochastic seed dispersal mechanism, forming persistent aboveground seed banks that enable rapid germination following rare rainfall events (Friedman & al., 1978, Hegazy & al., 2006). Cytogenomic studies have revealed that Anastatica underwent a lineage-specific whole-genome duplication followed by descending dysploidy from 2n = 32 to 2n = 22, accompanied by extensive chromosome repatterning (Mandáková & al., 2017). These features make it an ideal model for studying genome evolution and adaptation to arid environments. Here, chromosome numbers were determined in 32 populations of Anastatica hierochuntica sampled across its distribution range. This broad sampling was designed to capture potential cytotypic variation across geographically and ecologically distinct regions, especially given the species’ fragmented distribution and hypothesized historical disjunctions (Pokorny & al., 2015, Mairal & al., 2017). All analyzed individuals exhibited a chromosome number of 2n = 22, consistent with previous cytogenetic report (Mandáková & al., 2017). No aneuploidy or B chromosomes were observed. The uniformity of chromosome number across all populations supports the hypothesis of a stabilized post-polyploid genome structure in this mesohexaploid lineage, despite its ecological breadth and evolutionary history.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10611 - Plant sciences, botany

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Taxon

ISSN

0040-0262

e-ISSN

1996-8175

Svazek periodika

74

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

33

Strana od-do

1593-1625

Kód UT WoS článku

001640031900001

EID výsledku v databázi Scopus

2-s2.0-105024816492