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Fig. 5 | BMC Plant Biology

Fig. 5

From: Transcriptional regulation of MdPIN3 and MdPIN10 by MdFLP during apple self-rooted stock adventitious root gravitropism

Fig. 5

Transcript levels of the gravity-responsive genes and the content of IAA in 12–2 under microgravity. (a) The adventitious roots of apple self-rooted stocks failed to grow toward gravity under microgravity. Scale bars = 1 cm. (b) The content of the endogenous hormone IAA in the adventitious roots of apple self-rooted stocks under microgravity. Samples with different letters are significantly different: P < 0.05 (Fisher’s LSD mean separation test). (c) Transcript levels of endogenous gravity-responsive genes of MdFLP, MdARF19, MdPIN3 and MdPIN10 in apple stock in vitro (12–2). CKY-1 indicates primary adventitious roots (7 d), CKY-2 indicates primary adventitious roots (14 d), WY-1 indicates primary adventitious roots under microgravity (7 d), and WY-2 indicates primary adventitious roots under microgravity (14 d). Error bars indicate ± SD (n = 3, from three technical replicates). Values in (c) were derived from experiments that were performed at least three times with similar results, and representative data from one repetition are shown

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