Advances in Cotton Breeding and Genetics

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Plant Genetics and Genomics".

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 7701

Special Issue Editors


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Guest Editor
1. State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Science, Anyang 455000, China
2. Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
Interests: cotton genomics; cotton breeding; gene mechanism; biotechnology; functional genomics; cotton fiber; insect resistance

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Guest Editor
1. State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, The Ministry of Agriculture, Institute of Cotton Research, Chinese Academy of Agricultural Science, Anyang 455000, China
2. Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
Interests: cotton breeding; cotton genomics; gene regulation; cotton genetics; phylogenetic relationship; agronomy

Special Issue Information

Dear Colleagues,

Plant genetics and genomics are used to make advances in the areas of cotton breeding, evolution, genetics, gene regulation, phenotype–genotype relationships, functional genomics, cotton fiber development, insect-resistant cotton, bioinformatics and biotechnology. We invite fundamental research on cotton genes and genomics using experimental and computational approaches. We aim to promote research communication in the areas of cotton science by providing a unified forum for scientists working in agriculture and botany to share their latest findings with a broad audience worldwide. Genes publishes original articles, reviews and communications in a timely manner. There are no restrictions on word count, number of figures, or amount of supporting information.

Dr. Abdul Razzaq
Dr. Muhammad Mubashar Zafar
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Genes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

 

Keywords

  • cotton breeding
  • functional genomics
  • gene regulation
  • QTL mapping
  • GWAS
  • gene editing
  • cotton genetics
  • phylogenetic relationship
  • cotton transformation
  • agronomy
  • cotton fiber
  • insect resistance

Published Papers (4 papers)

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Research

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16 pages, 4085 KiB  
Article
Comparative Transcriptome Analysis Revealed Key Genes Regulating Gossypol Synthesis in Tetraploid Cultivated Cotton
by Linglei Kong, Shaoqi Li, Yuyuan Qian, Hailiang Cheng, Youping Zhang, Dongyun Zuo, Limin Lv, Qiaolian Wang, Junlan Li and Guoli Song
Genes 2023, 14(6), 1144; https://doi.org/10.3390/genes14061144 - 24 May 2023
Cited by 1 | Viewed by 1816
Abstract
Tetraploid cultivated cotton (Gossypium spp.) produces cottonseeds rich in protein and oil. Gossypol and related terpenoids, stored in the pigment glands of cottonseeds, are toxic to human beings and monogastric animals. However, a comprehensive understanding of the genetic basis of gossypol and [...] Read more.
Tetraploid cultivated cotton (Gossypium spp.) produces cottonseeds rich in protein and oil. Gossypol and related terpenoids, stored in the pigment glands of cottonseeds, are toxic to human beings and monogastric animals. However, a comprehensive understanding of the genetic basis of gossypol and gland formation is still lacking. We performed a comprehensive transcriptome analysis of four glanded versus two glandless tetraploid cultivars distributed in Gossypium hirsutum and Gossypium barbadense. A weighted gene co-expression network analysis (WGCNA) based on 431 common differentially expressed genes (DEGs) uncovered a candidate module that was strongly associated with the reduction in or disappearance of gossypol and pigment glands. Further, the co-expression network helped us to focus on 29 hub genes, which played key roles in the regulation of related genes in the candidate module. The present study contributes to our understanding of the genetic basis of gossypol and gland formation and serves as a rich potential source for breeding cotton cultivars with gossypol-rich plants and gossypol-free cottonseed, which is beneficial for improving food safety, environmental protection, and economic gains of tetraploid cultivated cotton. Full article
(This article belongs to the Special Issue Advances in Cotton Breeding and Genetics)
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17 pages, 5501 KiB  
Article
Genome-Wide Identification and Characterization of the PPO Gene Family in Cotton (Gossypium) and Their Expression Variations Responding to Verticillium Wilt Infection
by Shuhan Yang, Qun Ge, Sumei Wan, Zhihao Sun, Yu Chen, Yanfang Li, Qiankun Liu, Juwu Gong, Xianghui Xiao, Quanwei Lu, Yuzhen Shi, Renhai Peng, Haihong Shang, Guodong Chen and Pengtao Li
Genes 2023, 14(2), 477; https://doi.org/10.3390/genes14020477 - 13 Feb 2023
Cited by 2 | Viewed by 1558
Abstract
Polyphenol oxidases (PPOs) are copper-binding metalloproteinases encoded by nuclear genes, ubiquitously existing in the plastids of microorganisms, plants, and animals. As one of the important defense enzymes, PPOs have been reported to participate in the resistant processes that respond to diseases and insect [...] Read more.
Polyphenol oxidases (PPOs) are copper-binding metalloproteinases encoded by nuclear genes, ubiquitously existing in the plastids of microorganisms, plants, and animals. As one of the important defense enzymes, PPOs have been reported to participate in the resistant processes that respond to diseases and insect pests in multiple plant species. However, PPO gene identification and characterization in cotton and their expression patterns under Verticillium wilt (VW) treatment have not been clearly studied. In this study, 7, 8, 14, and 16 PPO genes were separately identified from Gossypium arboreum, G. raimondii, G. hirsutum, and G. barbadense, respectively, which were distributed within 23 chromosomes, though mainly gathered in chromosome 6. The phylogenetic tree manifested that all the PPOs from four cotton species and 14 other plants were divided into seven groups, and the analyses of the conserved motifs and nucleotide sequences showed highly similar characteristics of the gene structure and domains in the cotton PPO genes. The dramatically expressed differences were observed among the different organs at various stages of growth and development or under the diverse stresses referred to in the published RNA-seq data. Quantitative real-time PCR (qRT-PCR) experiments were also performed on the GhPPO genes in the roots, stems, and leaves of VW-resistant MBI8255 and VW-susceptible CCRI36 infected with Verticillium dahliae V991, proving the strong correlation between PPO activity and VW resistance. A comprehensive analysis conducted on cotton PPO genes contributes to the screening of the candidate genes for subsequent biological function studies, which is also of great significance for the in-depth understanding of the molecular genetic basis of cotton resistance to VW. Full article
(This article belongs to the Special Issue Advances in Cotton Breeding and Genetics)
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14 pages, 3081 KiB  
Article
Competition for Light Interception in Different Plant Canopy Characteristics of Diverse Cotton Cultivars
by Fahmida Sultana, Washu Dev, Minghua Xin, Yingchun Han, Lu Feng, Yaping Lei, Beifang Yang, Guoping Wang, Xiaofei Li, Zhanbiao Wang, Fangfang Xing, Shiwu Xiong and Yabing Li
Genes 2023, 14(2), 364; https://doi.org/10.3390/genes14020364 - 30 Jan 2023
Cited by 2 | Viewed by 1634
Abstract
Identifying the ideal plant nature and canopy structure is of great importance for improving photosynthetic production and the potential action of plants. To address this challenge, an investigation was accomplished in 2018 and 2019 at the Institute of Cotton Research (ICR) of the [...] Read more.
Identifying the ideal plant nature and canopy structure is of great importance for improving photosynthetic production and the potential action of plants. To address this challenge, an investigation was accomplished in 2018 and 2019 at the Institute of Cotton Research (ICR) of the Chinese Academy of Agricultural Science (CAAS), Henan Province, China. Six cotton varieties with diverse maturities and plant canopy structures were used to evaluate the light interception (LI) in cotton, the leaf area index (LAI), the biomass, and the yield throughout the two years of study. The light spatial distribution in the plant canopy was evaluated using a geographic statistical method, following the increasing quantity of radiation intercepted, which was determined using the rules of Simpson. Compared to the cotton plants with a compact structure, varieties with both a loose and tower design captured a comparatively higher amount of light (average 31.3%) and achieved a higher LAI (average 32.4%), eventually achieving a high yield (average 10.1%). Furthermore, the polynomial correlation revealed a positive relationship between the biomass accumulation in the reproductive parts and canopy-accrued light interception (LI), signifying that light interception is critical for the yield development of cotton. Furthermore, when the leaf area index (LAI) was peaked, radiation interception and biomass reached the highest during the boll-forming stage. These findings will provide guidance on the light distribution in cotton cultivars with an ideal plant structure for light capture development, providing an important foundation for researchers to better manage light and canopies. Full article
(This article belongs to the Special Issue Advances in Cotton Breeding and Genetics)
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Review

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24 pages, 752 KiB  
Review
Genomic Dynamics and Functional Insights under Salt Stress in Gossypium hirsutum L.
by Zunaira Anwar, Aqsa Ijaz, Allah Ditta, Baohua Wang, Fang Liu, Sana Muhy-Ud-Din Khan, Sajjad Haidar, Hafiz Mumtaz Hassan and Muhammad Kashif Riaz Khan
Genes 2023, 14(5), 1103; https://doi.org/10.3390/genes14051103 - 18 May 2023
Cited by 5 | Viewed by 1846
Abstract
The changing climate is intensifying salt stress globally. Salt stress is a menace to cotton crop quality and yield. The seedling, germination, and emergence phases are more prone to the effects of salt stress than other stages. Higher levels of salt can lead [...] Read more.
The changing climate is intensifying salt stress globally. Salt stress is a menace to cotton crop quality and yield. The seedling, germination, and emergence phases are more prone to the effects of salt stress than other stages. Higher levels of salt can lead to delayed flowering, a reduced number of fruiting positions, shedding of fruits, decreased boll weight, and yellowing of fiber, all of which have an adverse effect on the yield and quality of the seed cotton. However, sensitivity toward salt stress is dependent on the salt type, cotton growth phase, and genotype. As the threat of salt stress continues to grow, it is crucial to gain a comprehensive understanding of the mechanisms underlying salt tolerance in plants and to identify potential avenues for enhancing the salt tolerance of cotton. The emergence of marker-assisted selection, in conjunction with next-generation sequencing technologies, has streamlined cotton breeding efforts. This review begins by providing an overview of the causes of salt stress in cotton, as well as the underlying theory of salt tolerance. Subsequently, it summarizes the breeding methods that utilize marker-assisted selection, genomic selection, and techniques for identifying elite salt-tolerant markers in wild species or mutated materials. Finally, novel cotton breeding possibilities based on the approaches stated above are presented and debated. Full article
(This article belongs to the Special Issue Advances in Cotton Breeding and Genetics)
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