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Article

MYB Gene Family in Potato (Solanum tuberosum L.): Genome-Wide Identification of Hormone-Responsive Reveals Their Potential Functions in Growth and Development

by 1,2,†, 1,2,†, 2 and 1,*
1
School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
2
College of Life Science, Sichuan Agricultural University, Ya’an 625014, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Int. J. Mol. Sci. 2019, 20(19), 4847; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20194847
Received: 6 August 2019 / Revised: 18 September 2019 / Accepted: 27 September 2019 / Published: 29 September 2019
As an important nongrain crop, the growth and yield of potato (Solanum tuberosum L.) is often affected by an unfavorable external environment in the process of cultivation. The MYB family is one of the largest and most important gene families, participating in the regulation of plant growth and development and response to abiotic stresses. Several MYB genes in potato that regulate anthocyanin synthesis and participate in abiotic stress responses have been identified. To identify all Solanum tuberosum L. MYB (StMYB) genes involved in hormone or stress responses to potentially regulate potato growth and development, we identified the MYB gene family at the genome-wide level. In this work, 158 StMYB genes were found in the potato genome. According to the amino acid sequence of the MYB domain and gene structure, the StMYB genes were divided into R2R3-MYB and R1R2R3-MYB families, and the R2R3-MYB family was divided into 20 subgroups (SGs). The expression of 21 StMYB genes from different SGs in roots, stems, leaves, flowers, shoots, stolons, young tubers, and mature tubers was determined by quantitative real-time polymerase chain reaction (qRT-PCR). The expression patterns of StMYB genes in potatoes treated with abscisic acid (ABA), indole-3-acetic acid (IAA), gibberellin acid 3 (GA3), NaCl, mannitol, and heat were also measured. We have identified several potential candidate genes that regulate the synthesis of potato flavonoids or participate in hormone or stress responses. This work provides a comprehensive understanding of the MYB family in potato and will lay a foundation for the future investigation of the potential functions of StMYB genes in the growth and development of potato. View Full-Text
Keywords: hormone or stress responses; potato genome; StMYB; expression patterns hormone or stress responses; potato genome; StMYB; expression patterns
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MDPI and ACS Style

Sun, W.; Ma, Z.; Chen, H.; Liu, M. MYB Gene Family in Potato (Solanum tuberosum L.): Genome-Wide Identification of Hormone-Responsive Reveals Their Potential Functions in Growth and Development. Int. J. Mol. Sci. 2019, 20, 4847. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20194847

AMA Style

Sun W, Ma Z, Chen H, Liu M. MYB Gene Family in Potato (Solanum tuberosum L.): Genome-Wide Identification of Hormone-Responsive Reveals Their Potential Functions in Growth and Development. International Journal of Molecular Sciences. 2019; 20(19):4847. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20194847

Chicago/Turabian Style

Sun, Wenjun, Zhaotang Ma, Hui Chen, and Moyang Liu. 2019. "MYB Gene Family in Potato (Solanum tuberosum L.): Genome-Wide Identification of Hormone-Responsive Reveals Their Potential Functions in Growth and Development" International Journal of Molecular Sciences 20, no. 19: 4847. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20194847

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