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  1. University of Mandalay
  1. University of Mandalay
  2. Department of Botany

Genome-Wide Identification and Expression Profiling of the PDIGene Family Reveals Their Probable Involvement in Abiotic Stress Tolerance in Tomato (Solanum LycopersicumL.)

http://hdl.handle.net/20.500.12678/0000007062
http://hdl.handle.net/20.500.12678/0000007062
1d7f505e-2276-4c37-897f-491beada6227
1fd70044-3037-4b07-ab41-96ee7a0ab677
None
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Genome-Wide Genome-Wide Identification and Expression Profiling of the PDIGene Family Reveals Their Probable Involvement in Abiotic Stress Tolerance in Tomato (Solanum LycopersicumL.).pdf (1.3 MB)
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Publication type
Journal article
Upload type
Publication
Title
Title Genome-Wide Identification and Expression Profiling of the PDIGene Family Reveals Their Probable Involvement in Abiotic Stress Tolerance in Tomato (Solanum LycopersicumL.)
Language en
Publication date 2020-12-25
Authors
Antt Htet Wai
Waseem, Muhammad
Khan, A B M Mahbub Morshed
Nath, Ujjal Kumar
Lee, Do-Jin
Kim, Sang-Tae
Kim, Chang-Kil
Chung, Mi-Young
Description
Protein disulfide isomerases (PDI) and PDI-like proteins catalyze the formation and isom-erization of protein disulfide bonds in the endoplasmic reticulum and prevent the buildup of mis-folded proteins under abiotic stress conditions. In the present study, we conducted the first com-prehensive genome-wide exploration of the PDI gene family in tomato (Solanum lycopersicumL.). We identified 19 tomato PDIgenes that were unevenly distributed on 8 of the 12 tomato chromo-somes, with segmental duplications detected for 3 paralogous gene pairs. Expression profiling of the PDIgenes revealed that most of them were differentially expressed across different organs and developmental stages of the fruit. Furthermore, most of thePDIgenes were highly induced by heat, salt, and abscisic acid (ABA) treatments, while relatively few of the geneswere induced by cold and nutrient and water deficit (NWD) stresses. The predominant expression of SlPDI1-1, SlPDI1-3,SlPDI1-4,SlPDI2-1, SlPDI4-1,andSlPDI5-1 in response to abiotic stress and ABA treatment sug-gested they play regulatory roles in abiotic stress tolerance in tomato in an ABA-dependent manner. Our results provide new insight into the structure and function of PDI genes and will be helpful for the selection of candidate genes involved in fruit development and abiotic stress tolerance in to-mato.
Keywords
Solanum lycopersicum, protein disulfide isomerases, genome-wide analysis, gene expres-sion, abiotic stress, fruit development
Identifier doi.org/10.3390/genes12010023
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