Analysis of eight phytohormone concentrations, expression levels of ABA biosynthesis genes, and ripening-related transcription factors during fruit development in strawberry

Copyright © 2019 The Authors. Published by Elsevier GmbH.. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 239(2019) vom: 20. Aug., Seite 52-60
1. Verfasser: Kim, Joonggon (VerfasserIn)
Weitere Verfasser: Lee, Jeong Gu, Hong, Yoonpyo, Lee, Eun Jin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article ABA biosynthesis pathway Fragaria × ananassa Non-climacteric fruit Plant growth regulators Transcription factors Plant Growth Regulators Plant Proteins Transcription Factors Abscisic Acid 72S9A8J5GW
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520 |a The contents of eight phytohormones and the expression levels of genes encoding enzymes related to abscisic acid (ABA) biosynthesis and deactivation/degradation and transcription factors (TFs) related to fruit ripening were studied in the non-climacteric strawberry fruit (Fragaria × ananassa Duch., cv. 'Seolhyang') at six developmental stages. The hormones tested were ABA, indole-3-acetic acid (IAA), gibberellic acid 4 (GA4), jasmonic acid (JA), methyljasmonate (MJ), jasmonoyl isoleucine (JA-Ile), salicylic acid (SA), and ethylene (ET). The developmental and ripening stages studied were small green (S1, 11 days post-anthesis, DPA), green (S2, 20 DPA), breaker (S3, 24 DPA), pink (S4, 27 DPA), red (S5, 31 DPA), and fully red (S6, 40 DPA). IAA and GA4 contents were highest at S1 and gradually decreased after this stage. ABA content was low at S1-S3 and then increased rapidly until peaking at S6. By contrast, MJ content showed no significant changes over time, while SA content gradually increased. JA, JA-Ile, and ET contents were either insufficient for quantification or undetectable. Expression of the ABA biosynthesis genes FaNCED1 and FaABA2 increased during fruit ripening, whereas expression of the ABA deactivation/degradation genes FaUGT75C1 and FaCYP707A1 was high early in development, when ABA content was low, and then decreased. Among four ripening-related TF genes, FaMYB1, FaMYB5, FaMYB10, and FaASR, only the expression of FaMYB10 seemed to be closely related to strawberry fruit ripening. Our study supports the idea that ABA and FaMYB10 appear to be the key hormone and TF regulating strawberry ripening 
650 4 |a Journal Article 
650 4 |a ABA biosynthesis pathway 
650 4 |a Fragaria × ananassa 
650 4 |a Non-climacteric fruit 
650 4 |a Plant growth regulators 
650 4 |a Transcription factors 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a Abscisic Acid  |2 NLM 
650 7 |a 72S9A8J5GW  |2 NLM 
700 1 |a Lee, Jeong Gu  |e verfasserin  |4 aut 
700 1 |a Hong, Yoonpyo  |e verfasserin  |4 aut 
700 1 |a Lee, Eun Jin  |e verfasserin  |4 aut 
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