Metabolomics Reveals Antioxidant Stress Responses of Wheat (Triticum aestivum L.) Exposed to Chlorinated Organophosphate Esters

2020 ◽  
Vol 68 (24) ◽  
pp. 6520-6529 ◽  
Author(s):  
Qing Liu ◽  
Menglin Liu ◽  
Sihan Wu ◽  
Bowen Xiao ◽  
Xiaolei Wang ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Stress Responses ◽  
Triticum Aestivum L ◽  
Organophosphate Esters ◽  
Antioxidant Stress

scholarly journals Evidences of organic acids exudation in aluminium stress responses of two Madeiran wheat (Triticum aestivum L.) landraces

2019 ◽  
Vol 66 (4) ◽  
pp. 857-869 ◽  
Author(s):  
Marta Rodrigues ◽  
José Filipe T. Ganança ◽  
Emanuel M. da Silva ◽  
Teresa M. M. dos Santos ◽  
Jan J. Slaski ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Organic Acids ◽  
Stress Responses ◽  
Triticum Aestivum L

scholarly journals Genome-wide analysis of WRKY transcription factors in wheat (Triticum aestivum L.) and differential expression under water deficit condition

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3232 ◽  
Author(s):  
Pan Ning ◽  
Congcong Liu ◽  
Jingquan Kang ◽  
Jinyin Lv
Keyword(s):  
Triticum Aestivum ◽  
Water Deficit ◽  
Stress Responses ◽  
Segmental Duplication ◽  
Grain Filling ◽  
Triticum Aestivum L ◽  
Whole Wheat ◽  
Group I ◽  
Annotation Information ◽  
Specific Tissue

Background WRKY proteins, which comprise one of the largest transcription factor (TF) families in the plant kingdom, play crucial roles in plant development and stress responses. Despite several studies on WRKYs in wheat (Triticum aestivum L.), functional annotation information about wheat WRKYs is limited. Results Here, 171 TaWRKY TFs were identified from the whole wheat genome and compared with proteins from 19 other species representing nine major plant lineages. A phylogenetic analysis, coupled with gene structure analysis and motif determination, divided these TaWRKYs into seven subgroups (Group I, IIa–e, and III). Chromosomal location showed that most TaWRKY genes were enriched on four chromosomes, especially on chromosome 3B. In addition, 85 (49.7%) genes were either tandem (5) or segmental duplication (80), which suggested that though tandem duplication has contributed to the expansion of TaWRKY family, segmental duplication probably played a more pivotal role. Analysis of cis-acting elements revealed putative functions of WRKYs in wheat during development as well as under numerous biotic and abiotic stresses. Finally, the expression of TaWRKY genes in flag leaves, glumes, and lemmas under water-deficit condition were analyzed. Results showed that different TaWRKY genes preferentially express in specific tissue during the grain-filling stage. Conclusion Our results provide a more extensive insight on WRKY gene family in wheat, and also contribute to the screening of more candidate genes for further investigation on function characterization of WRKYs under various stresses.

scholarly journals Characterization of a common wheat (Triticum aestivum L.) TaSnRK2.7 gene involved in abiotic stress responses

2010 ◽  
Vol 62 (3) ◽  
pp. 975-988 ◽  
Author(s):  
Hongying Zhang ◽  
Xinguo Mao ◽  
Ruilian Jing ◽  
Xiaoping Chang ◽  
Huimin Xie
Keyword(s):  
Triticum Aestivum ◽  
Abiotic Stress ◽  
Common Wheat ◽  
Stress Responses ◽  
Triticum Aestivum L

scholarly journals Genome-wide analysis of WRKY transcription factors in wheat (Triticum aestivum L.) and differential expression under water deficit treatment

2017 ◽  
Author(s):  
Pan Ning ◽  
Congcong Liu ◽  
Jingquan Kang ◽  
Jinyin Lv
Keyword(s):  
Triticum Aestivum ◽  
Transcription Factors ◽  
Stress Responses ◽  
Segmental Duplication ◽  
Grain Filling ◽  
Triticum Aestivum L ◽  
Cis Acting ◽  
Group I ◽  
Annotation Information ◽  
Specific Tissue

WRKY proteins, comprising one of the largest transcription factor families in plant kingdom, play crucial roles in the plant development and stress responses. Despite several studies on WRKYs in wheat (Triticum aestivum L.) were investigated, functional annotation information about wheat WRKYs was limited. Here, 171 TaWRKY transcription factors (TFs) were identified from the whole wheat genome and compared with proteins from other 19 species representing nine major plant lineages. A phylogenetic analysis, coupled with gene structure analysis and motif determination, divided these TaWRKYs into seven subgroups (Group I, IIa-e, III). Chromosomal location showed that the most TaWRKY genes were enriched on four chromosomes, especially on chromosome 3B, and 85 (49.7%) genes were either tandem (5) or segmental duplication (80), which suggested that though tandem duplication has contributed to the expansion of TaWRKY family, segmental duplication probably played a more pivotal role. The cis-acting elements analysis revealed putative functions of WRKYs in wheat during development as well as under numerous biotic and abiotic stresses. Finally, the expression of TaWRKY genes in flag leaves, glumes and lemmas under water stress were analyzed, and we found different TaWRKY genes preferentially express in specific tissue during the grain-filling stage. Our results provide a more extensive knowledge on TaWRKYs, which helps to complete the information of WRKY gene family in wheat, and also contribute to screen more candidate genes for further investigation on function characterization of WRKYs under various stresses.

scholarly journals Large-Scale Cloning and Comparative Analysis of TaNAC Genes in Response to Stripe Rust and Powdery Mildew in Wheat (Triticum aestivum L.)

Genes ◽  
2020 ◽  
Vol 11 (9) ◽  
pp. 1073 ◽  
Author(s):  
Shikai Lv ◽  
Huan Guo ◽  
Min Zhang ◽  
Qiaohui Wang ◽  
Hong Zhang ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Comparative Analysis ◽  
Powdery Mildew ◽  
Stripe Rust ◽  
Stress Responses ◽  
Large Scale ◽  
Differentially Expressed Gene ◽  
Triticum Aestivum L ◽  
Differentially Expressed ◽  
Mechanism Analysis

The NAM, ATAF1/2, and CUC2 (NAC) transcription factors (TFs) constitute the largest plant-specific TF superfamily, and play important roles in various physiological processes, including stress responses. Stripe rust and powdery mildew are the most damaging of the fungal diseases that afflict wheat (Triticum aestivum L.). However, studies on Triticum aestivum NAC (TaNAC)s’ role in resistance to the two diseases are still limited, especially in an overall comparative analysis of TaNACs responding or not to fungal stress. In the present study, 186 TaNAC transcripts were obtained from the resistant hexaploid wheat line N9134 under fungal stress, and 180 new transcripts were submitted to GenBank. Statistical results show that 35.1% (54/154) of TaNAC genes responded to stripe rust and powdery mildew in the seedling stage. “Abnormal” coding transcripts of differentially expressed (DE)-TaNAC genes in wheat responding to fungal stress were found in a significantly higher proportion (24/117 vs. 8/69, p = 0.0098) than in non-DE-NACs. This hinted that the alternative splicing of TaNAC genes was active in transcriptional or post-transcriptional regulation during plant-pathogen interactions. Full-length NAC proteins were classified into nine groups via phylogenetic analysis. Multiple-sequence alignment revealed diversity in the C-terminal structural organization, but the differentially expressed gene (DEG)-encoding proteins enriched in Subgroups VI and VII were conserved, with WV[L/V]CR amino acid residues in Motif 7 following the NAM domain. Our data that showed TaNAC TFs responded to fungal disease, which was affected by expression levels and by the regulation of multifarious transcript variants. These data for TaNAC responses to stripe rust and/or powdery mildew and their numerous structural variants provide a good resource for NAC function–mechanism analysis in the context of biotic-stress tolerance in wheat.

Sign in / Sign up

Export Citation Format

Share Document