NDLI: Nitric Oxide Modulates the Expression of Proteins and Promotes Epiphyllous Bud Differentiation in Kalanchoe pinnata

Content Provider	Springer Nature Link
Author	Abat, Jasmeet Kaur Deswal, Renu
Copyright Year	2012
Abstract	Nitric oxide (NO), a recent addition to the signaling molecules in plants, plays an important role in mediating both biotic and abiotic stress responses. The occurrence of reproductive/vegetative structures, known as epiphylly, on the surface of leaves is a stress survival mechanism exhibited by some plants, including Kalanchoe pinnata. In the present study the role of NO during epiphyllous bud differentiation was investigated. NO donors l-arginine, NaNO2, and SNP promoted epiphyllous bud differentiation in a dose-dependent manner, whereas NO inhibitors reversed the effect, suggesting the involvement of NO in the process. Albeit numerous physiological processes are reported to be modulated by NO, but their correlation with NO-responsive genes and proteins needs to be established. To address this issue, NO-responsive proteins (NORPs) were identified using 2D-PAGE and MS analysis. Major NORPs that were identified belonged to photosynthesis, oxidative phosphorylation, signaling, and stress metabolism, aptly indicating their probable role in this stress-induced growth process. The present study clearly indicates the role of NO in this stress survival mechanism, thus strongly affirming its role in stress responses.
Starting Page	92
Ending Page	101
Page Count	10
File Format	PDF
ISSN	07217595
Journal	Journal of Plant Growth Regulation
Volume Number	32
Issue Number	1
e-ISSN	14358107
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-06-21
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Epiphyllous response Kalanchoe pinnata Nitric oxide Nitric oxide responsive proteins Stress tolerance Plant Sciences Plant Anatomy/Development Plant Physiology Agriculture
Content Type	Text
Resource Type	Article
Subject	Plant Science Agronomy and Crop Science

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