Gene Function and Evolution in Arachis

Submission Deadline: 31 July 2022 (closed)

Guest Editors

Dr. Hui Song, Qingdao Agricultural University, China. biosonghui@outlook.com

Dr. Guowei Li, Shandong Academy of Agricultural Sciences, China. liguowei@sdnu.edu

Dr. Chong Zhang, Fujian Agriculture and Forestry University, China. czhang1@163.com

Dr. Suvendu Mondal, Bhabha Atomic Research Centre, India. suvenduhere@yahoo.co.in / suvendu@barc.gov.in

Dr. Xiaojun Zhang, Qingdao Agricultural University, China. zhangxj@qau.edu.cn

Summary

Cultivated peanut (Arachis hypogaea) is a major oil and protein crop, which is proposed to be formed by a crossing between Arachis duranensis and Arachis ipaensis. To date, several Arachis genomes have been de novo assembled, including A. duranensis, A. ipaensis, A. monticola, A. hypogaea cv. Tifrunner, A. hypogaea cv. Shitouqi, and A. hypogaea cv. Fuhuasheng. However, the studies on mining functional genes are tardily processing. In addition, cultivated peanut has a lower genetic diversity relative to wild species. The genetic bottleneck leads to cultivated peanuts with lower biotic and abiotic stresses. It is important to identify tolerant/resistant genes in wild resources for cultivated peanut breeding in the future.

More phenotypes have been changed in cultivated peanuts after polyploidization compared to wild peanuts. The phenotypes include chlorophyll content, stomatal size, and follower color. Now, it has a reality to reveal the phenotypic changes at the molecular level using genomic datasets in Arachis.

The scopes of the special issue include:

1. heredity basis and QTL mapping of the agronomy traits in Arachis.

2. comparison of phenotypic variation and related genes analysis in Arachis.

3. comparative genomics and gene family evolution analysis in Arachis.

4. functional genes identification related to growth and development in Arachis.

5. functional genomics and genetic improvement studies related to abiotic and biotic stress tolerance in Arachis.


Keywords

Arachis; Functional Gene; Phenotypic Change; Evolution; Genome Structure

Published Papers


  • Open Access

    ARTICLE

    Construction of EMS-Induced Peanut Mutant Libraries and Identification of Pod-Related Traits Mutant Lines

    Hao Chen, Faqian Xiong, Rilong Xu, Xiangyu Chen, Haifeng Zhong, Yumei Zhang, Xinlong Lan, Hong Zhang, Yuhua Chen, Runfang Hu, Guoqiang Lin, Zhaoxiu Tang
    Phyton-International Journal of Experimental Botany, Vol.92, No.2, pp. 537-557, 2023, DOI:10.32604/phyton.2022.023912
    (This article belongs to this Special Issue: Gene Function and Evolution in Arachis)
    Abstract Peanut (Arachis hypogaea L.) is an oil and economic crop of vital importance, and peanut pod is the key organ influencing the yield and processing quality. Hence, the Pod-related traits (PRTs) are considered as important agronomic traits in peanut breeding. To broaden the variability of PRTs in current peanut germplasms, three elite peanut cultivars were used to construct Ethyl methane sulfonate (EMS)-induced mutant libraries in this study. The optimal EMS treatment conditions for the three peanut varieties were determined. It was found that the median lethal dose (LD50) of EMS treatment varied greatly among different genotypes. Finally, the EMS-induced peanut… More >

  • Open Access

    ARTICLE

    Full-Length Transcriptome Analysis of Cultivated and Wild Tetraploid Peanut

    Danlei Song, Xiaona Yu, Yaoyao Li, Xianheng Wang, Xinyuan Cui, Tong Si, Xiaoxia Zou, Yuefu Wang, Minglun Wang, Xiaojun Zhang
    Phyton-International Journal of Experimental Botany, Vol.92, No.2, pp. 439-453, 2023, DOI:10.32604/phyton.2022.023165
    (This article belongs to this Special Issue: Gene Function and Evolution in Arachis)
    Abstract The high-quality genomes and large-scale full-length cDNA sequences of allotetraploid peanuts have been sequenced and released, which has accelerated the functional genomics and molecular breeding research of peanut. In order to understand the difference in the transcriptional levels of wild and cultivated peanuts. In this study, we integrated of second- and third-generation sequencing technologies to sequence full-length transcriptomes in peanut cv. Pingdu9616 and its putative ancestor Arachis monticola. The RNA extracted from six different tissues (i.e., roots, stems, leaves, flowers, needles and pods) were sampled at 20 days after flowering. A total of 31,764 and 33,981 high-quality transcripts were obtained… More >

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