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Genome-Wide Identification and Expression of the PIN Auxin Efflux Carrier Gene Family in Watermelon ( Citrullus lanatus )

Author

Listed:
  • Huaiguo Shang

    (National Agro-Tech Extension and Service Center, Beijing 100125, China)

  • Na Zhang

    (Institute of Crop Science, Wuhan Academy of Agricultural Sciences, Wuhan 430345, China)

  • Zhouli Xie

    (School of Life Sciences, Peking University, Beijing 100871, China)

  • Siyu Deng

    (School of Biological Sciences, The University of Hong Kong, Hong Kong 999077, China)

  • Licong Yi

    (Hubei Key Laboratory of Vegetable Germplasm Enhancement and Genetic Improvement, Institute of Cash Crops, Hubei Academy of Agricultural Science, Wuhan 430064, China)

  • Xing Huang

    (Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
    Key Laboratory of Integrated Pest Management on Tropical Crops, Ministry of Agriculture and Rural Affairs, Haikou 571101, China
    Hainan Key Laboratory for Monitoring and Control of Tropical Agricultural Pests, Haikou 571101, China)

Abstract

As one of the world’s most popular fruits, watermelon ( Citrus lanatus ) is cultivated in more than 3 million hectares across the globe, with a yearly yield of more than 100 million tons. According to ‘97103’ genome version 1, a previous study has shown that the watermelon genome consists of 11 PIN genes. However, the higher quality ‘97103’ genome version 2 was recently assembled by using PacBio long reads with the benefit of fast development sequencing technology. Using this new assembly, we conducted a new genome-wide search for PIN genes in watermelon and compared it with cucumber and melon genomes. We identified nine, nine, and eight PINs in watermelon, cucumber, and melon, respectively. Phylogenetic analysis revealed a distinct evolutionary history of PIN proteins in watermelon, which is shown by the orphan PIN6 in watermelon. We further conducted an expression analysis of the watermelon PIN genes in silico and by qRT-PCR. ClaPIN6 might not play an essential role during shoot regeneration, which is closely related to species-specific evolution. However, the up-regulated expression patterns of ClaPIN1-1 and ClaPIN1-3 indicated their important roles during shoot regeneration. The result of this research will benefit future studies to understand the regulating mechanisms of auxin in watermelon shoot regeneration.

Suggested Citation

  • Huaiguo Shang & Na Zhang & Zhouli Xie & Siyu Deng & Licong Yi & Xing Huang, 2021. "Genome-Wide Identification and Expression of the PIN Auxin Efflux Carrier Gene Family in Watermelon ( Citrullus lanatus )," Agriculture, MDPI, vol. 11(5), pages 1-11, May.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:5:p:447-:d:555330
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    References listed on IDEAS

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    1. Wanyan Xi & Ximing Gong & Qiaoyun Yang & Hao Yu & Yih-Cherng Liou, 2016. "Pin1At regulates PIN1 polar localization and root gravitropism," Nature Communications, Nature, vol. 7(1), pages 1-10, April.
    2. Jozef Mravec & Petr Skůpa & Aurélien Bailly & Klára Hoyerová & Pavel Křeček & Agnieszka Bielach & Jan Petrášek & Jing Zhang & Vassilena Gaykova & York-Dieter Stierhof & Petre I. Dobrev & Kateřina Schw, 2009. "Subcellular homeostasis of phytohormone auxin is mediated by the ER-localized PIN5 transporter," Nature, Nature, vol. 459(7250), pages 1136-1140, June.
    3. Zhaojun Ding & Bangjun Wang & Ignacio Moreno & Nikoleta Dupláková & Sibu Simon & Nicola Carraro & Jesica Reemmer & Aleš Pěnčík & Xu Chen & Ricardo Tejos & Petr Skůpa & Stephan Pollmann & Jozef Mravec , 2012. "ER-localized auxin transporter PIN8 regulates auxin homeostasis and male gametophyte development in Arabidopsis," Nature Communications, Nature, vol. 3(1), pages 1-11, January.
    4. Qian Chen & Yang Liu & Steven Maere & Eunkyoung Lee & Gert Van Isterdael & Zidian Xie & Wei Xuan & Jessica Lucas & Valya Vassileva & Saeko Kitakura & Peter Marhavý & Krzysztof Wabnik & Niko Geldner & , 2015. "A coherent transcriptional feed-forward motif model for mediating auxin-sensitive PIN3 expression during lateral root development," Nature Communications, Nature, vol. 6(1), pages 1-12, December.
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    Cited by:

    1. Xing Huang & Bochao Xu & Shibei Tan & Yanlei Huang & Jingen Xi & Xu Qin & Tao Chen & Helong Chen & Xiaohan Yang & Kexian Yi, 2022. "Transcriptome Sequencing of Agave angustifolia Reveals Conservation and Diversification in the Expression of Cinnamyl Alcohol Dehydrogenase Genes in Agave Species," Agriculture, MDPI, vol. 12(7), pages 1-10, July.

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