Photoperiod and water-deficient conditions differentially regulate structural flavonoid biosynthetic genes in peanuts

IF 2.6 3区生物学 Q2 PLANT SCIENCES Journal of Plant Interactions Pub Date : 2022-05-23 DOI:10.1080/17429145.2022.2076940

Maryam Khan, Saman Taufiq, Irum Nauman, Norina Noor, Tooba Iqbal, H. Ali, R. Z. Paracha, Faiza Munir, A. Gul, Rabia Amir

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Abstract

ABSTRACT Peanut (Arachis hypogaea L.) harbors a plethora of flavonoids that impart its health-promoting properties. To understand its biosynthesis and accumulation, a comparative expression analysis of flavonoid biosynthetic genes encoding enzymes responsible for synthesizing the main structure of flavonoids has been conducted in two differentially performing peanut varieties (PG 1247 and Bari 2011) in response to photoperiod and water availability. Transcript profiling of flavonoid biosynthetic genes indicated time-dependent expression of genes except for AhFLS in selected varieties in response to photoperiod variation. Many genes depicted a low degree of variation within varieties and water-deficient treatments. However, AhANS showed the highest variation for stress duration and varieties. In conclusion, this study has characterized the role of flavonoid biosynthesis in peanuts in response to photoperiod and water availability. Moreover, correlation analysis unraveled the coordination among the expression of flavonoid biosynthetic genes.

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光周期和缺水条件对花生结构黄酮生物合成基因的差异调控

花生（Arachis hypogaea L.）含有大量黄酮类化合物，具有促进健康的特性。为了了解其生物合成和积累，对编码负责合成类黄酮主要结构的酶的类黄酮生物合成基因在两个表现不同的花生品种（PG 1247和Bari 2011）中对光周期和水分有效性的反应进行了比较表达分析。类黄酮生物合成基因的转录谱分析表明，在所选品种中，除了AhFLS外，其他基因的表达与光周期变化有关。许多基因在品种和缺水处理中的变异程度很低。然而，AhANS在胁迫持续时间和品种上表现出最高的变化。总之，本研究表征了花生类黄酮生物合成对光周期和水分有效性的反应。此外，相关分析揭示了类黄酮生物合成基因表达之间的协调性。

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来源期刊

Journal of Plant Interactions PLANT SCIENCES-

CiteScore

5.30

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Plant Interactions aims to represent a common platform for those scientists interested in publishing and reading research articles in the field of plant interactions and will cover most plant interactions with the surrounding environment.