A Pivotal Role of Hormones in Regulating Cotton Fiber Development

Xiao, Gao; Zhao, Peng; Zhang, Yu

doi:10.3389/fpls.2019.00087

Cited by 86 publications

(77 citation statements)

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“…The KEGG pathway analysis showed that these EIL/EIN3 genes play roles in ethylene regulatory networks of plant hormone signal transduction (ath04075). Ethylene plays a key role in promoting cotton fiber elongation by increasing the expression of tubulin, sucrose synthase, and expansin genes [55]. The ethylene pathway is one of the most important biosynthetic pathways related to cotton fiber development during the elongation stage [56].…”

Section: Go and Kegg Pathway Analysis Of Eil/ein3 Genesmentioning

confidence: 99%

Investigation of the EIL/EIN3 Transcription Factor Gene Family Members and Their Expression Levels in the Early Stage of Cotton Fiber Development

Salih

et al. 2020

Plants

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The ethylene-insensitive3-like/ethylene-insensitive3 (EIL/EIN3) protein family can serve as a crucial factor for plant growth and development under diverse environmental conditions. EIL/EIN3 protein is a form of a localized nuclear protein with DNA-binding activity that potentially contributes to the intricate network of primary and secondary metabolic pathways of plants. In light of recent research advances, next-generation sequencing (NGS) and novel bioinformatics tools have provided significant breakthroughs in the study of the EIL/EIN3 protein family in cotton. In turn, this paved the way to identifying and characterizing the EIL/EIN3 protein family. Hence, the high-throughput, rapid, and cost-effective meta sequence analyses have led to a remarkable understanding of protein families in addition to the discovery of novel genes, enzymes, metabolites, and other biomolecules of the higher plants. Therefore, this work highlights the recent advance in the genomic-sequencing analysis of higher plants, which has provided a plethora of function profiles of the EIL/EIN3 protein family. The regulatory role and crosstalk of different metabolic pathways, which are apparently affected by these transcription factor proteins in one way or another, are also discussed. The ethylene hormone plays an important role in the regulation of reactive oxygen species in plants under various environmental stress circumstances. EIL/EIN3 proteins are the key ethylene-signaling regulators and play important roles in promoting cotton fiber developmental stages. However, the function of EIL/EIN3 during initiation and early elongation stages of cotton fiber development has not yet been fully understood. The results provided valuable information on cotton EIL/EIN3 proteins, as well as a new vision into the evolutionary relationships of this gene family in cotton species.

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Section: Go and Kegg Pathway Analysis Of Eil/ein3 Genesmentioning

confidence: 99%

Investigation of the EIL/EIN3 Transcription Factor Gene Family Members and Their Expression Levels in the Early Stage of Cotton Fiber Development

Salih

et al. 2020

Plants

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“…These results suggest that a higher accumulation of active GAs in FER than in ER. We subsequently determined 10 types of GA molecules, including GA 1,3,4,7,9,15,19,20,24 and 53, in TB, ER and FER samples by LC-MS-MS. All the GAs but GA4 were detected in ramie samples. The active form GA7 had a very low concentration, while GA1 was the most abundant active GA. GA9 was the most abundant precursor.…”

Section: Kegg Analysis Of Degs Between Er and Fermentioning

confidence: 99%

“…Secondary cell wall formation is regulated by phytohormones including auxin, ethylene and gibberellin (GA) [19,20]. Auxin is a well-known hormone crucial for plant cell wall development [21].…”

Section: Introductionmentioning

confidence: 99%

Comparative transcriptomics of stem bark reveals genes associated with bast fiber development in Boehmeria nivea L. gaud (ramie)

Xie

Jie

et al. 2020

BMC Genomics

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Background: Boehmeria nivea L. Gaud (Ramie) produces one of the longest natural fibers in nature. The bark of ramie mainly comprises of the phloem tissue of stem and is the raw material for fiber. Therefore, identifying the molecular regulation of phloem development is important for understanding of bast fiber biosynthesis and improvement of fiber quality in ramie. Results: In this study, we collected top bud (TB), bark from internode elongating region (ER) and bark from internode fully elongated region (FER) from the ramie variety Zhongzhu No. 1. Histological study indicated that these samples contain phloem tissues at different developmental and maturation stages, with a higher degree of maturation of phloem tissue in FER. RNA sequencing (RNA-seq) was performed and de novo transcriptome was assembled. Unigenes and differentially expressed genes (DEGs) in these three samples were identified. The analysis of DEGs by using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) revealed clear differences in gene expression between ER and FER. Some unigenes involved in secondary cell wall biosynthesis were up-regulated in both ER and FER, while unigenes for some cell wall components or cell wall modifications showed differential expression between ER and FER. In addition, the ethylene respond factors (ERFs) in the ethylene signaling pathway were up-regulated in FER, and ent-kaurenoic acid oxidase (KAO) and GA 20-oxidase (GA20ox) for gibberellins biosynthesis were up-regulated while GA 2-oxidase (GA2ox) for gibberellin inactivation was down-regulated in FER.Conclusions: Both morphological study and gene expression analysis supported a burst of phloem and vascular developmental processes during the fiber maturation in the ramie stem, and ethylene and gibberellin are likely to be involved in this process. Our findings provide novel insights into the phloem development and fiber maturation in ramie, which could be useful for fiber improvement in ramie and other fiber crops.

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“…One candidate is a predicted Myb 5-like gene (Table 5), which functions in trichome development in Arabidopsis. Two other candidates include two RAB GTPase-like genes, a gibberellin 2-oxidase-like gene, and a methylesterase-like gene, all of which have amino acid changes; genes involved in these processes are associated with cell wall metabolism or related pathways in Arabidopsis (Lycett 2008;Bischoff et al 2010) and cotton (Xiao et al 2019). Although somewhat further from the QTL peak, a cellulose synthase 6-like gene was found within the SP QTL, which is relevant to trichome development (Haigler et al 2009;Betancur et al 2010;Nixon et al 2016)…”

Section: Plant Architecturementioning

confidence: 99%

Genetic analysis of the transition from wild to domesticated cotton (G. hirsutumL.)

Grover

Yoo

Meng

et al. 2019

Preprint

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An F2 population between wild and domesticated cotton was used to identify QTL associated with selection under domestication. Multiple traits characterizing domesticated cotton were evaluated, and candidate genes underlying QTL are described for all traits. QTL are unevenly distributed between subgenomes of the domesticated polyploid, with many fiber QTL located on the genome derived from the D parent, which does not have spinnable fiber, but a majority of QTL overall located on the A subgenome. QTL are many (120) and environmentally labile. These data, together with candidate gene analyses, suggest recruitment of many environmentally responsive factors during cotton domestication. AbstractThe evolution and domestication of cotton is of great interest from both economic and evolutionary standpoints. Although many genetic and genomic resources have been generated for cotton, the genetic underpinnings of the transition from wild to domesticated cotton remain poorly known. Here we generated an intraspecific QTL mapping population specifically targeting domesticated cotton phenotypes. We used 466 F2 individuals derived from an intraspecific cross between the wild Gossypium hirsutum var. yucatanense (TX2094) and the elite cultivar G. hirsutum cv. Acala Maxxa, in two environments, to identify 120 QTL associated with phenotypic changes under domestication. While the number of QTL recovered in each subpopulation was similar, only 22 QTL were considered coincident (i.e., shared) between the two locations, eight of which shared peak markers. Although approximately half of QTL were located in the A-subgenome, many key fiber QTL were detected in the D-subgenome, which was derived from a species with unspinnable fiber. We found that many QTL are environment-specific, with few shared between the two environments, indicating that QTL associated with G. hirsutum domestication are genomically clustered but environmentally labile. Possible candidate genes were recovered and are discussed in the context of the phenotype. We conclude that the evolutionary forces that shape intraspecific divergence and domestication in cotton are complex, and that phenotypic transformations likely involved multiple interacting and environmentally responsive factors.

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A Pivotal Role of Hormones in Regulating Cotton Fiber Development

Cited by 86 publications

References 100 publications

Investigation of the EIL/EIN3 Transcription Factor Gene Family Members and Their Expression Levels in the Early Stage of Cotton Fiber Development

Investigation of the EIL/EIN3 Transcription Factor Gene Family Members and Their Expression Levels in the Early Stage of Cotton Fiber Development

Comparative transcriptomics of stem bark reveals genes associated with bast fiber development in Boehmeria nivea L. gaud (ramie)

Genetic analysis of the transition from wild to domesticated cotton (G. hirsutumL.)

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