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Effectofcholinechlorideonthephotosynthesisinwheat

DOI: 10.7668/hbnxb.1993.S2.010, PP. 54-57

Keywords: cholinechloride,wheat,photosynthesis

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Abstract:

CholinechloridecanincreasetheactivitiesofHillreactionandATPaseinisolatedchloroplastfromwheatleaves.Itcanalsoincreasetheactivitiesofribulose-1,5-bisphosphatecar-boxylase(RuBPCaseEC4.1.1.39)andglyceraldehyde-3-phosphatedehydrogenase(G-3-PDHEC1.2.1.13)withthemethodofvacuuminfiltration.Buthigherconcentrationsofcholinechlo-ridetendstoinhibitetheactivitiesoftheseenzymes.Asaresultofcholinechloridetreatmenttheamountsofbothproteinandchlorophyllcanbeincreased,andthephotosyntheticratecanberaised,too.Theabovedatasuggestthatthecholinechloridemayactontheenzymesinvolvedinlightreactionanddarkreactioninthephotosynthesis.

References

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