Potato Vitamins

Tomar, Maharishi; Reetu, Reetu; Changan, Sushil

doi:10.1007/978-981-15-7662-1_7

Cited by 1 publication

(1 citation statement)

References 119 publications

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“…A potato tuber is a specialized stem that arises from the underground organ known as stolon [3]. Tubers are used for plant survival by vegetative propagation; they are sink organs in which surplus photosynthetic assimilates are stored [4], with starch [5,6], vitamins [7] and proteins [8,9] as the main storage components.…”

Section: Introductionmentioning

confidence: 99%

Gene Expression Analysis of Microtubers of Potato Solanum tuberosum L. Induced in Cytokinin Containing Medium and Osmotic Stress

Herrera-Isidrón

Valencia-Lozano

Rosiles-Loeza

et al. 2021

Plants

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Potato microtuber productions through in vitro techniques are ideal propagules for producing high quality seed potatoes. Microtuber development is influenced by several factors, i.e., high content sucrose and cytokinins are among them. To understand a molecular mechanism of microtuberization using osmotic stress and cytokinin signaling will help us to elucidate this process. We demonstrate in this work a rapid and efficient protocol for microtuber development and gene expression analysis. Medium with high content of sucrose and gelrite supplemented with 2iP as cytokinin under darkness condition produced the higher quantity and quality of microtubers. Gene expression analysis of genes involved in the two-component signaling system (StHK1), cytokinin signaling, (StHK3, StHP4, StRR1) homeodomains (WUSCHEL, POTH1, BEL5), auxin signaling, ARF5, carbon metabolism (TPI, TIM), protein synthesis, NAC5 and a morphogenetic regulator of tuberization (POTH15) was performed by qPCR real time. Differential gene expression was observed during microtuber development. Gene regulation of two component and cytokinin signaling is taking place during this developmental process, yielding more microtubers. Further analysis of each component is required to elucidate it.

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