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Phenotypic and Molecular Assessment of Wheat Genotypes Tolerant to Leaf Blight,Rust and Blast Diseases

Phyton-International Journal of Experimental Botany 2021年第4期90卷 1301-1320页

作者： Ashraful Alam Milan Skalicky Muhammad Rezaul Kabir Monwar Hossain Abdul Hakim siddikun nabi mandal Rabiul Islam Babul Anwar Akbar Hossain Fahmy Hassan Amaal Mohammadein Muhammad Aamir Iqbal Marian Brestic Mohammad Anwar Hossain Khalid Rehman Hakeem Ayman EL Sabagh Bangladesh Wheat and Maize Research Institute(BWMRI) Dinajpur5200Bangladesh Department of Botany and Plant Physiology Faculty of AgrobiologyFood and Natural ResourcesCzech University of Life Sciences PragueKamycka 129Prague16500Czechia Regional Agricultural Research Station BWMRIJashore7400Bangladesh Department of Biology College of ScienceTaif UniversityTaif21944Saudi Arabia Department of Agronomy Faculty of AgricultureUniversity of Poonch RawalakotHajira RoadShamsabad12350Pakistan Department of Plant Physiology Slovak University of AgricultureNitraTr.A.Hlinku 2Nitra94901Slovak Republic Department of Genetics and Plant Breeding Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Biological Sciences Faculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Agronomy Faculty of AgricultureKafrelsheikh UniversityKafrelsheikh33516Egypt

Globally among biotic stresses,diseases like blight,rust and blast constitute prime constraints for reducing wheat productivity especially in *** sustainable productivity,the development of disease-resistant lines and high yielding varieties is vital and *** study was conducted using 122 advanced breeding lines of wheat including 21 varieties developed by Bangladesh Wheat and Maize Research Institute with aims to identify genotypes having high yield potential and resistant to leaf blight,leaf rust and blast *** genotypes were evaluated for resistance against leaf blight and leaf rust at Dinajpur and wheat blast at Jashore under field *** of 122 genotypes tested,20 lines were selected as resistant to leaf blight based on the area under the diseases progress curve under both irrigated timely sown and irrigated late sown ***-two genotypes were found completely free from leaf rust infection,59 genotypes were identified as resistant,and 13 genotypes were identified as moderately resistant to leaf *** genotypes were immune against wheat blast,42 genotypes were categorized as resistant,and 26 genotypes were identified as moderately resistant to wheat *** data revealed that the 16 genotypes showed a positive 2NS segment among the 18 immune genotypes selected against wheat blast under field *** genotypes BAW 1322,BAW 1295,and BAW 1203 can be used as earlier maturing genotypes and the genotypes BAW 1372,BAW 1373,BAW 1297 and BAW 1364 can be used for lodging tolerant due to short plant *** genotypes WMRI Gom 1,BAW 1349 and BAW 1350 can be selected for bold grain and the genotypes WMRI Gom 1,BAW 1297,BAW 1377 can be used as high yielder for optimum seeding condition but genotypes BAW 1377 and BAW 1366 can be used for late sown *** selected resistant genotypes against specific diseases can be used in the further breeding program to develop wheat varieties having higher disea

关键词： Wheat blast leaf blight leaf rust 2NS marker grain yield

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Quantitative proteomics reveals the central changes of wheat in response to powdery mildew

Quantitative proteomics reveals the central changes of wheat...

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第六届全国小麦基因组学及分子育种大会

作者： Ying Fu Hong Zhang Md.siddikun nabi mandal Changyou Wang Chunhuan Chen Wanquan Ji College of Agronomy Northwest A&F University China State Key Laboratory of Crop Stress Biology for Arid Areas

Powdery mildew(Pm),caused by Blumeriagraminis ***(Bgt),is one of the most important crop diseases,causing severe economic losses to wheat belts *** the present study,an iTRAQ-based quantitative proteomic technique was applied to understand the molecular mechanism involved in resistant wheat(line N9134)response to Bgt isolate *** found 394 proteins that show a significant difference,which systematically reveal the protein expressive characterization of stimulus responses to *** differentially expressed proteins(DEPs) included members of different plant defense categories and metabolic pathways,such as pathogenesis-related(PR)polypeptides,oxidative stress responsive proteins,components involved in primary metabolic *** addition,RNA sequencing(RNA-seq) data further demonstrated that these cluster genes were co-transcribed,and their mRNA abundance changes exhibited the similar trends,suggesting that the Bgt-induced proteins are partly correlated with the correspondent transcription *** enrichment analysis showed that phenylpropanoid biosynthesis,phenylalanine metabolism and photosynthesis-antenna proteins were the key pathways in response to Bgt *** 5 and the Gibbs Motif Sampler cluster 394 DEPs to eight conserved motifs,which shared leucine repeats and histidine site in the sequence ***,eight separate protein-protein interaction(PPI) networks were predicted from STRING *** summary,our findings reveal multiple levels of regulation under powdery mildew infection in *** large amounts of protein and transcript data in this study provide a powerful platform for further exploration of the molecular mechanism underlying the wheat response to Bgt.

关键词： Wheat iTRAQ Quantitative proteomics Powdery mildew

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