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Genes 2016, 7(10), 79; doi:10.3390/genes7100079

Genome-Wide Identification, Characterization and Expression Profiling of ADF Family Genes in Solanum lycopersicum L.

1
Department of Agricultural Industry Economy and Education, Sunchon National University, 413 Jungangno, Suncheon, Jeonnam 540-950, Korea
2
Department of Horticulture, Sunchon National University, 413 Jungangno, Suncheon, Jeonnam 540-950, Korea
3
Department of Horticultural Science, Kyungpook National University, Daegu 702-701, Korea
4
Department of Agricultural Education, Sunchon National University, 413 Jungangno, Suncheon, Jeonnam 540-950, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Paolo Cinelli
Received: 8 July 2016 / Revised: 12 September 2016 / Accepted: 22 September 2016 / Published: 29 September 2016
(This article belongs to the Section Molecular Genetics)
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Abstract

The actin depolymerizing factor (ADF) proteins have growth, development, defense-related and growth regulatory functions in plants. The present study used genome-wide analysis to investigate ADF family genes in tomato. Eleven tomato ADF genes were identified and differential expression patterns were found in different organs. SlADF6 was preferentially expressed in roots, suggesting its function in root development. SlADF1, SlADF3 and SlADF10 were predominately expressed in the flowers compared to the other organs and specifically in the stamen compared to other flower parts, indicating their potential roles in pollen development. The comparatively higher expression of SlADF3 and SlADF11 at early fruit developmental stages might implicate them in determining final fruit size. SlADF5 and SlADF8 had relatively higher levels of expression five days after the breaker stage of fruit development, suggesting their possible role in fruit ripening. Notably, six genes were induced by cold and heat, seven by drought, five by NaCl, and four each by abscisic acid (ABA), jasmonic acid (JA) and wounding treatments. The differential expression patterns of the SlADF genes under different types of stresses suggested their function in stress tolerance in tomato plants. Our results will be helpful for the functional characterization of ADF genes during organ and fruit development of tomato under different stresses. View Full-Text
Keywords: ADF gene; Solanum lycopersicum; organ-specific expression; fruit development; abiotic stress; phytohormone treatment ADF gene; Solanum lycopersicum; organ-specific expression; fruit development; abiotic stress; phytohormone treatment
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Khatun, K.; Robin, A.H.K.; Park, J.-I.; Kim, C.K.; Lim, K.-B.; Kim, M.-B.; Lee, D.-J.; Nou, I.S.; Chung, M.-Y. Genome-Wide Identification, Characterization and Expression Profiling of ADF Family Genes in Solanum lycopersicum L.. Genes 2016, 7, 79.

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