Expression of CMe-ACS1 and Ethylene Receptor Genes in Melon F1 Progenies under Cold Storage Condition

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY Journal of Agricultural Science and Technology Pub Date : 2022-11-01 DOI:10.52547/jast.24.6.1443
M. Alabboud, F. Soltani, S. Kalantari
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Abstract

Introducing new melon types able to endure cold storage and cold transportation is among the major goals of breeders. Therefore, providing a better understanding of the fruit physiological traits and postharvest associated genes expression can help to select the superior type for cold storage condition. This experiment was carried out to investigate the postharvest behavior of various melon lines and their F1 breeds based on fruit characteristics and their relation to the expression of CMe-ACS1, CM-ETR1 and CM-ETR2 genes during cold storage. For this purpose, six melon inbred lines were cross-pollinated to form a full diallel F1 population. Thus, the studied population constituted 6 parental lines, 15 direct hybrids, and 15 reciprocal F1 hybrids. After fruits harvest and during one month of storage, fruits firmness loss, color changes, and weight loss were evaluated. A significant positive correlation coefficient was found between CMe-ACS1 gene expression and ACC content with two distinct clusters based on this relation. Gene expression profiles referred to the presence of gradual and continuous senescence behaviors in the studied types, which was reflected in their physiological postharvest performance. G1 cluster types expressed the studied receptor genes at lower rates compared to the other groups. The G1 corresponded with P3 and P4 groups that were characterized by low physiological changes and thus better postharvest performance during cold storage. This result highlights the importance of Persian inodorus melons, generally, and the line ‘Khatouni’, specifically, in melon breeding programs for postharvest purposes.
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冷库条件下甜瓜F1后代CMe-ACS1和乙烯受体基因的表达
引进能够经受冷库和冷运输的新甜瓜品种是育种者的主要目标之一。因此,更好地了解果实的生理特性和采后相关基因的表达,有助于选择适合冷藏条件的优良品种。本试验旨在研究不同甜瓜品系及其F1品种在贮藏过程中果实特性与CMe-ACS1、CM-ETR1和CM-ETR2基因表达的关系。为此,对6个甜瓜自交系进行异花授粉,形成一个完全双列杂交的F1群体。因此,研究群体由6个亲本系、15个直接杂种和15个互交F1杂种组成。在果实收获后和储存一个月期间,对果实的硬度损失、颜色变化和重量损失进行了评估。CMe-ACS1基因表达量与ACC含量呈显著正相关,并有两个不同的聚类。基因表达谱是指所研究类型中存在逐渐和持续的衰老行为,这反映在采后的生理表现上。与其他组相比,G1组表达研究受体基因的比率较低。G1组对应的P3和P4组生理变化较小,采后冷藏性能较好。这一结果突出了波斯inodorus瓜的重要性,一般来说,特别是“Khatouni”线,在采后目的的瓜育种计划中。
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来源期刊
Journal of Agricultural Science and Technology
Journal of Agricultural Science and Technology AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
1.90
自引率
8.30%
发文量
0
审稿时长
4.5 months
期刊介绍: Journal of Agricultural Science and Technology is one of the TMU Press journals that is published by the responsibility of its Editor-in-Chief and Editorial Board in the determined scopes. Journal of Agricultural Science and Technology (JAST) is an international research journal published bimonthly for the purpose of advancing the scientific studies. The subjects covered by JAST include all aspects of agriculture and natural resources (see Areas Covered). The journal will consider submissions from all over the world, on research works not being published or submitted for publication towards publication as full paper, review article and research note. The Papers are published in English with an extra abstract in Persian.
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