Počet záznamů: 1
Elevated CO2 modulates the effect of heat stress responses in Triticum aestivum by differential expression of an isoflavone reductase-like gene
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SYSNO ASEP 0553148 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Elevated CO2 modulates the effect of heat stress responses in Triticum aestivum by differential expression of an isoflavone reductase-like gene Tvůrce(i) Shokat, S. (DK)
Novák, Ondřej (UEB-Q) RID, ORCID, SAI
Široká, Jitka (UEB-Q) ORCID
Singh, S. (GB)
Gill, K.S. (US)
Roitsch, Thomas (UEK-B) RID, ORCID, SAI
Grosskinsky, D. K. (AT)
Liu, F. (DK)Celkový počet autorů 8 Zdroj.dok. Journal of Experimental Botany. - : Oxford University Press - ISSN 0022-0957
Roč. 72, č. 21 (2021), s. 7594-7609Poč.str. 16 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova high-temperature stress ; carbohydrate-metabolism enzymes ; grain-yield ; antioxidant defenses ; salicylic-acid ; wheat ; tolerance ; drought ; leaf ; thermotolerance ; Antioxidative system ; crop physiology ; F-v/F-m ; heat stress ; phytohormones ; stress tolerance ; wheat Obor OECD Plant sciences, botany Způsob publikování Open access Institucionální podpora UEB-Q - RVO:61389030 ; UEK-B - RVO:86652079 UT WOS 000744583700019 EID SCOPUS 85122290817 DOI 10.1093/jxb/erab247 Anotace Two wheat genotypes forming high and low biomass, exhibiting differential expression of an isoflavone reductase-like (IRL) gene, and resulting in contrasting grain yield under heat stress field conditions were analyzed in detail for their responses under controlled heat and elevated CO2 conditions. Significant differences in IRL expression between the two lines were hypothesized to be the basis of their differential performance under the tested conditions and their stress tolerance potential. By a holistic approach integrating advanced cell physiological phenotyping of the antioxidative and phytohormone system in spikes and leaves with measurements of ecophysiological and agronomic traits, the genetic differences of the genotypes in IRL expression were assessed. In response to heat and elevated CO2, the two genotypes showed opposite regulation of IRL expression, which was associated with cytokinin concentration, total flavonoid contents, activity of superoxide dismutase, antioxidant capacity and photosynthetic rate in leaves, and cytokinin concentration and ascorbate peroxidase activity in spikes. Our study showed that IRL expression is associated with wheat yield performance under heat stress at anthesis, mediated by diverse physiological mechanisms. Hence, based on our results, the IRL gene is a promising candidate for developing genetic markers for breeding heat-tolerant wheat. Pracoviště Ústav experimentální botaniky Kontakt David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Rok sběru 2022 Elektronická adresa http://doi.org/10.1093/jxb/erab247
Počet záznamů: 1