Hybridization may endanger the rare North Apennine endemic Cirsium bertolonii

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F23%3A00130984" target="_blank" >RIV/00216224:14310/23:00130984 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/62156489:43210/23:43923532

Výsledek na webu

<a href="https://doi.org/10.1007/s00606-023-01854-2" target="_blank" >https://doi.org/10.1007/s00606-023-01854-2</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s00606-023-01854-2" target="_blank" >10.1007/s00606-023-01854-2</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Hybridization may endanger the rare North Apennine endemic Cirsium bertolonii

Popis výsledku v původním jazyce

We examined populations of North Apennine stenoendemics Cirsium bertolonii in the Apuan Alps and Tuscan-Emilian Apennines and found individuals morphologically shifted to co-occurring C. acaulon or C. erisithales. Hybrid status of these intermediates was confirmed by flow cytometry, morphometrics and amplified fragment length polymorphism (AFLP). We interpreted these hybrids taxonomically as Cirsium xsagrense (C. acaulon x C. bertolonii) and C. xabetonense (C. bertolonii x C. erisithales). Estimated genome size (2C) was 2244 +/- 31 Mbp for C. xsagrense and 2152 +/- 99 Mbp for C. xabetonense. Their genomic GC content was 38.95 +/- 0.35% and 38.77 +/- 0.26%, respectively. Diploid chromosome number 2n = 34 was counted for C. bertolonii, and the previously reported 2n = 12 needs to be considered erroneous. We found C. bertolonii to be a gynodioecious species (like many other Cirsium species) that is not reproductively isolated by ploidy level or chromosome number from co-occurring congeners. The relatively frequent occurrence of C. xsagrense in Monte Sagro (locus classicus of C. bertolonii) and the prevalence of C. xabetonense in Alpe Tre Potenze suggest that hybridization occurs repeatedly in C. bertolonii, as also confirmed by older herbarium specimens. C. xabetonense produces ripe achenes and F2 hybrids or backcrosses, as some other Cirsium hybrids do. Genetic erosion/swamping via interspecific hybridization can therefore pose a risk to the genetic integrity of C. bertolonii, as it does for some other narrowly endemic high-mountain Cirsium species in Europe.

Název v anglickém jazyce

Hybridization may endanger the rare North Apennine endemic Cirsium bertolonii

Popis výsledku anglicky

We examined populations of North Apennine stenoendemics Cirsium bertolonii in the Apuan Alps and Tuscan-Emilian Apennines and found individuals morphologically shifted to co-occurring C. acaulon or C. erisithales. Hybrid status of these intermediates was confirmed by flow cytometry, morphometrics and amplified fragment length polymorphism (AFLP). We interpreted these hybrids taxonomically as Cirsium xsagrense (C. acaulon x C. bertolonii) and C. xabetonense (C. bertolonii x C. erisithales). Estimated genome size (2C) was 2244 +/- 31 Mbp for C. xsagrense and 2152 +/- 99 Mbp for C. xabetonense. Their genomic GC content was 38.95 +/- 0.35% and 38.77 +/- 0.26%, respectively. Diploid chromosome number 2n = 34 was counted for C. bertolonii, and the previously reported 2n = 12 needs to be considered erroneous. We found C. bertolonii to be a gynodioecious species (like many other Cirsium species) that is not reproductively isolated by ploidy level or chromosome number from co-occurring congeners. The relatively frequent occurrence of C. xsagrense in Monte Sagro (locus classicus of C. bertolonii) and the prevalence of C. xabetonense in Alpe Tre Potenze suggest that hybridization occurs repeatedly in C. bertolonii, as also confirmed by older herbarium specimens. C. xabetonense produces ripe achenes and F2 hybrids or backcrosses, as some other Cirsium hybrids do. Genetic erosion/swamping via interspecific hybridization can therefore pose a risk to the genetic integrity of C. bertolonii, as it does for some other narrowly endemic high-mountain Cirsium species in Europe.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10611 - Plant sciences, botany

Projekt

<a href="/cs/project/GA20-15989S" target="_blank" >GA20-15989S: Evoluce velikosti genomu - centromerický drajv v nové roli</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Plant Systematics and Evolution

ISSN

0378-2697

e-ISSN

—

Svazek periodika

309

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

AT - Rakouská republika

Počet stran výsledku

21

Strana od-do

1-21

Kód UT WoS článku

000994303600001

EID výsledku v databázi Scopus

2-s2.0-85160104480