Studies on the activity of kinetin in cultures of Funaria hygrometrica - I. Bud-inducing activity of kinetin and protein synthesis

Szweykowska, A.; Ratajczak, W.; Schneider, J.

doi:10.5586/asbp.1968.014

Cited by 7 publications

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“…In Funaria glucose induces CK-mediated gametophore bud initial formation [ 61 ]. In most of the previous studies involving CK response in mosses, carbon supply was provided either as glucose or sucrose.…”

Section: Discussionmentioning

confidence: 99%

Red Light and Glucose Enhance Cytokinin-Mediated Bud Initial Formation in Physcomitrium patens

Biswal

Panigrahi

2022

Plants

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Growth and development of Physcomitrium patens is endogenously regulated by phytohormones such as auxin and cytokinin. Auxin induces the transition of chloronema to caulonema. This transition is also regulated by additional factors such as quantity and quality of light, carbon supply, and other phytohormones such as strigolactones and precursors of gibberrelic acid. On the other hand, cytokinins induce the formation of bud initials following caulonema differentiation. However, the influence of external factors such as light or nutrient supply on cytokinin-mediated bud initial formation has not been demonstrated in Physcomitrium patens. This study deals with the effect of light quality and nutrient supply on cytokinin-mediated bud initial formation. Bud initial formation has been observed in wild type plants in different light conditions such as white, red, and blue light in response to exogenously supplied cytokinin as well as glucose. In addition, budding assay has been demonstrated in the cry1a mutant of Physcomitrium in different light conditions. The results indicate that carbon supply and red light enhance the cytokinin response, while blue light inhibits this process in Physcomitrium.

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Section: Discussionmentioning

confidence: 99%