Quantitative trait loci (QTL) mapping for physiological and biochemical attributes in a Pasban90/Frontana recombinant inbred lines (RILs) population of wheat (
Genome
Plant attributes
QTLs
Salt stress
Wheat
Journal
Saudi journal of biological sciences
ISSN: 1319-562X
Titre abrégé: Saudi J Biol Sci
Pays: Saudi Arabia
ID NLM: 101543796
Informations de publication
Date de publication:
Jan 2020
Jan 2020
Historique:
received:
25
08
2019
revised:
02
10
2019
accepted:
09
10
2019
entrez:
1
1
2020
pubmed:
1
1
2020
medline:
1
1
2020
Statut:
ppublish
Résumé
Salt stress causes nutritional imbalance and ion toxicity which affects wheat growth and production. A population of recombinant inbred lines (RILs) were developed by crossing Pasban90 (salt tolerant) and Frontana (salt suceptible) for identification of quantitative trait loci (QTLs) for physiological traits including relative water content, membrane stability index, water potential, osmotic potential, total chlorophyll content, chlorophyll a, chlorophyll b and biochemical traits including proline contents, superoxide dismutase, sodium content, potassium content, chloride content and sodium/potassium ratio by tagging 202 polymorphic simple sequence repeats (SSR) markers. Linkage map of RILs comprised of 21 linkage group covering A, B and D genome for tagging and maped a total of 60 QTLs with major and minor effect. B genome contributed to the highest number of QTLs under salt stress condition. Xgwm70 and Xbarc361 mapped on chromosome 6B was linked with Total chlorophyll, water potential and sodium content. The increasing allele for all these QTLs were advanced from parent Pasban90. Current study showed that Genome B and D had more potentially active genes conferring plant tolerance against salinity stress which may be exploited for marker assisted selection to breed salinity tolerant high yielding wheat varieties.
Identifiants
pubmed: 31889856
doi: 10.1016/j.sjbs.2019.10.003
pii: S1319-562X(19)30199-8
pmc: PMC6933172
doi:
Types de publication
Journal Article
Langues
eng
Pagination
341-351Informations de copyright
© 2019 The Authors. Published by Elsevier B.V. on behalf of King Saud University.
Déclaration de conflit d'intérêts
The authors declared that there is no conflict of interest.
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