Healthy Roots and Leaves: Comparative Genome Structure of Horseradish and Watercress
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14740%2F19%3A00108134" target="_blank" >RIV/00216224:14740/19:00108134 - isvavai.cz</a>
Result on the web
<a href="http://www.plantphysiol.org/content/plantphysiol/179/1/66.full.pdf" target="_blank" >http://www.plantphysiol.org/content/plantphysiol/179/1/66.full.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1104/pp.18.01165" target="_blank" >10.1104/pp.18.01165</a>
Alternative languages
Result language
angličtina
Original language name
Healthy Roots and Leaves: Comparative Genome Structure of Horseradish and Watercress
Original language description
Horseradish (Armoracia rusticana) and watercress (Nasturtium officinale) are economically important cruciferous vegetable species with limited genomic resources. We used comparative chromosome painting to identify the extent of chromosomal collinearity between horseradish and watercress, and to reconstruct the origin and evolution of the two tetraploid genomes (2n = 4x = 32). Our results show that horseradish and watercress genomes originated from a common ancestral (n = 8) genome, structurally resembling the Ancestral Crucifer Karyotype (n = 8), which, however, contained two unique translocation chromosomes (AK6/8 and AK8/6). Except for a 2.4-Mb unequal chromosome translocation in watercress, both genomes are structurally identical. The structural similarity of the two parental subgenomes might suggest an autotetraploid origin of horseradish and watercress genomes. The subgenome stasis, apart from the single-chromosome translocation, indicates that homeologous recombination played a limited role in postpolyploid evolution in both tetraploid genomes. The octoploid genome of one-rowed watercress (N. microphyllum, 2n = 8x = 64), structurally mirroring the tetraploid horseradish and watercress genomes, originated via autopolyploidization from the immediate tetraploid predecessor of watercress or hybridization between this and another now-extinct tetraploid Nasturtium species. These comparative cytogenomic maps in horseradish and watercress represent a first stepping stone for future whole-genome sequencing efforts and genetic improvement of both crop species.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10611 - Plant sciences, botany
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Plant Physiology
ISSN
0032-0889
e-ISSN
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Volume of the periodical
179
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
66-73
UT code for WoS article
000454929100008
EID of the result in the Scopus database
2-s2.0-85059495058