A First Report on Morphological and Biochemical Characterization of a Rare CNSL Free Cashew Mutant

IF 1.2 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES National Academy Science Letters Pub Date : 2023-05-09 DOI:10.1007/s40009-023-01262-7

B. M. Muralidhara, Siddanna Savadi, J. D. Adiga, K. Manjunatha, A. N. Lokesha, G. L. Veena, V. Thondaiman, G. N. Manjesh

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Abstract

Cashew is the third most important edible tree nut in the global market. The edible portion of cashew nut (kernel) is covered by cashew nutshell. Cashew nutshell contains dark brown viscous oil called cashew nutshell liquid (CNSL). Interestingly, we observed rare CNSL free mutant in our germplasm. Hence, the present study was carried out to understand the morphological and biochemical differences between the CNSL free mutant (NRC-116) and CNSL containing (Bhaskara) genotype. Morphologically, NRC-116 differed from Bhaskara in leaf shape and dimensions, and reproductive characteristics like sex ratio and yield-related traits. The nutshell thickness of NRC-116 was significantly less compared to Bhaskara. Biochemical analysis showed that NRC-116 is absolutely free of CNSL and significantly differed from Bhaskara in kernel FAs, proteins, oils and phenolics. Thus, the CNSL free nature of NRC-116 presents it as a unique genetic material for understanding CNSL biosynthetic pathway.

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一个罕见的CNSL游离腰果突变体形态和生化特征的首次报道

腰果是全球市场上第三重要的可食用树坚果。腰果(仁)的可食用部分被腰果壳覆盖。腰果壳含有深棕色的粘稠油，称为腰果壳液(CNSL)。有趣的是，我们在我们的种质中发现了罕见的无CNSL突变体。因此，本研究旨在了解无CNSL突变体(NRC-116)和含(Bhaskara)基因型CNSL在形态和生化方面的差异。在形态上，NRC-116与Bhaskara在叶片形状、尺寸、性比和产量相关性状等生殖特征上存在差异。NRC-116果壳厚度明显小于Bhaskara。生化分析表明，NRC-116完全不含CNSL，籽粒FAs、蛋白质、油脂和酚类物质与Bhaskara有显著差异。因此，NRC-116的无CNSL特性使其成为理解CNSL生物合成途径的独特遗传物质。

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来源期刊

National Academy Science Letters 综合性期刊-综合性期刊

CiteScore

2.20

自引率

0.00%

发文量

审稿时长

12 months

期刊介绍： The National Academy Science Letters is published by the National Academy of Sciences, India, since 1978. The publication of this unique journal was started with a view to give quick and wide publicity to the innovations in all fields of science