دورية أكاديمية
Salt-Induced Modulation of Ion Transport and PSII Photoprotection Determine the Salinity Tolerance of Amphidiploid Brassicas.
العنوان: | Salt-Induced Modulation of Ion Transport and PSII Photoprotection Determine the Salinity Tolerance of Amphidiploid Brassicas. |
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المؤلفون: | Farooq N; National Institute for Biotechnology and Genetic Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad 38000, Pakistan., Khan MO; National Institute for Biotechnology and Genetic Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad 38000, Pakistan., Ahmed MZ; Dr Muhammad Ajmal Khan Institute of Sustainable Halophyte Utilization, University of Karachi, Karachi 75270, Pakistan., Fatima S; National Institute for Biotechnology and Genetic Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad 38000, Pakistan., Nawaz MA; National Institute for Biotechnology and Genetic Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad 38000, Pakistan., Abideen Z; Dr Muhammad Ajmal Khan Institute of Sustainable Halophyte Utilization, University of Karachi, Karachi 75270, Pakistan., Nielsen BL; Microbiology & Molecular Biology, Brigham Young University, Provo, UT 84602, USA., Ahmad N; National Institute for Biotechnology and Genetic Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad 38000, Pakistan. |
المصدر: | Plants (Basel, Switzerland) [Plants (Basel)] 2023 Jul 08; Vol. 12 (14). Date of Electronic Publication: 2023 Jul 08. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: MDPI AG Country of Publication: Switzerland NLM ID: 101596181 Publication Model: Electronic Cited Medium: Print ISSN: 2223-7747 (Print) Linking ISSN: 22237747 NLM ISO Abbreviation: Plants (Basel) Subsets: PubMed not MEDLINE |
أسماء مطبوعة: | Original Publication: Basel, Switzerland : MDPI AG, [2012]- |
مستخلص: | Brassica species show varying levels of resistance to salt stress. To understand the genetics underlying these differential stress tolerance patterns in Brassicas, we exposed two widely cultivated amphidiploid Brassica species having different genomes, Brassica juncea (AABB, n = 18) and Brassica napus (AACC, n = 19), to elevated levels of NaCl concentration (300 mM, half the salinity of seawater). B. juncea produced more biomass, an increased chlorophyll content, and fewer accumulated sodium (Na + ) and chloride (Cl - ) ions in its photosynthesizing tissues. Chlorophyll fluorescence assays revealed that the reaction centers of PSII of B. juncea were more photoprotected and hence more active than those of B. napus under NaCl stress, which, in turn, resulted in a better PSII quantum efficiency, better utilization of photochemical energy with significantly reduced energy loss, and higher electron transport rates, even under stressful conditions. The expression of key genes responsible for salt tolerance ( NHX1 and AVP1 , which are nuclear-encoded) and photosynthesis ( psbA , psaA , petB , and rbcL , which are chloroplast-encoded) were monitored for their genetic differences underlying stress tolerance. Under NaCl stress, the expression of NHX1 , D1 , and Rubisco increased several folds in B. juncea plants compared to B. napus , highlighting differences in genetics between these two Brassicas. The higher photosynthetic potential under stress suggests that B. juncea is a promising candidate for genetic modifications and its cultivation on marginal lands. |
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معلومات مُعتمدة: | CRP/PAK20-02 International Centre for Genetic Engineering and Biotechnology |
فهرسة مساهمة: | Keywords: Brassica juncea; Brassica napus; marginal lands; photosynthesis; photosystem II; relative gene expression; salt tolerance |
تواريخ الأحداث: | Date Created: 20230729 Latest Revision: 20230919 |
رمز التحديث: | 20231215 |
مُعرف محوري في PubMed: | PMC10386101 |
DOI: | 10.3390/plants12142590 |
PMID: | 37514204 |
قاعدة البيانات: | MEDLINE |
تدمد: | 2223-7747 |
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DOI: | 10.3390/plants12142590 |