negative gravitropism 中文意思是什麼
negative gravitropism
解釋
負向重性- negative : adj 1 否定的 否認的；拒絕的 （opp affirmative）； 反對的 反面的；消極的。2 （opp positive） 【電...
- gravitropism : 向重性
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The materials in this study were arabidopsis thaliana. ( wt ) and its mutants including ethylene over producer mutant ( eto1 - 1 ), ethylene insensitive root mutant ( eir1 - 1 ) and ethylene insensitive mutant ( etr1 - 3 ). from the phenotypes of 12 - d - old seedlings of arabidopsis wt and mutants, the root gravitropism was obviously enhanced in etol - 1, but diminished in eir1 - 1 and etr1 - 3, compared with wt. the shoot negative gravitropism was also diminished in etiolated seedlings of etr1 - 3
以擬南芥的eth過量產生型突變體（ etol - 1 ） ，根對eth不敏感型突變體（ eirl - 1 ，地上部對eth響應） ， eth不敏感型突變體（ etrl - 3 ，地上部和根均對eth不敏感）及其野生型（ wt ， columbia生態型）為實驗材料，利用根的向重力性反應為模式，分析了其中eth對auxin效應的調控及其原因。
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