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hammer [34]
2 years ago
4

msd2, an apoplastic mn-sod, contributes to root skotomorphogenic growth by modulating ros distribution in arabidopsis

Biology
1 answer:
ElenaW [278]2 years ago
6 0

The correct answer is because MSD2 an apoplastic regulates ROS distribution during root skotomorphogenesis it plays an important role in plant growth and development.

MSD2 expression in roots is light condition dependent, implying that MSD2 may influence ROS metabolism in roots during the light-to-dark transition. ROS distribution, which exhibits an opposite gradient of H2O2 and O2radical dot in etiolated msd2 mutants and is accompanied by changes in the onset of differentiation, governs root architecture. MSD2 is secreted and has SOD activity that can be inhibited by tyrosine 68 nitration. Although membrane-localized NADPH oxidases are well known for producing ROS during developmental and stress responses, the metabolic pathways of the superoxide (O2radical dot) produced by them in the apoplast are poorly understood, and the identity of the apoplastic superoxide dismutase (SOD) in Arabidopsis is unknown.

Learn more about apoplastic here :-

brainly.com/question/13514453

#SPJ4

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<span>Answer: 48%

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