2015
DOI: 10.1590/s1415-475738320140377
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Exploring the role of auxin in the androgynophore movement in Passiflora

Abstract: The flowers of the species belonging to the genus Passiflorashow a range of features that are thought to have arisen as adaptations to different pollinators. Some Passiflora species belonging to the subgenus Decaloba sect. Xerogona, show touch-sensitive motile androgynophores. We tested the role of auxin polar transport in the modulation of the androgynophore movement by applying auxin (IAA) or an inhibitor of auxin polar transport (NPA) in the flowers. We recorded the movement of the androgynophore during mec… Show more

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Cited by 4 publications
(4 citation statements)
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“…Three naturally occurring active auxins, indole-3-acetic acid (IAA, C 10 H 9 NO 2 ), 4-chloroindole-3-acetic acid (4-Cl-IAA, C 10 H 8 ClNO 2 ), and phenylacetic acid (PAA, C 8 H 8 O 2 ), have been identified in plant (Korasick et al, 2013). Among them, IAA is the most frequently found active auxin and has been recognized to be the key ingredient for cell enlargement and division in plants (Perrot-Rechenmann, 2010; Scorza and Dornelas, 2015), participating directly in all tropism responses (Scorza and Dornelas, 2015; Živanović et al, 2018). An IAA molecule consists of two benzenes and a carboxyl group, where the carboxyl group is weakly connected to the benzene group.…”
Section: Resultsmentioning
confidence: 99%
“…Three naturally occurring active auxins, indole-3-acetic acid (IAA, C 10 H 9 NO 2 ), 4-chloroindole-3-acetic acid (4-Cl-IAA, C 10 H 8 ClNO 2 ), and phenylacetic acid (PAA, C 8 H 8 O 2 ), have been identified in plant (Korasick et al, 2013). Among them, IAA is the most frequently found active auxin and has been recognized to be the key ingredient for cell enlargement and division in plants (Perrot-Rechenmann, 2010; Scorza and Dornelas, 2015), participating directly in all tropism responses (Scorza and Dornelas, 2015; Živanović et al, 2018). An IAA molecule consists of two benzenes and a carboxyl group, where the carboxyl group is weakly connected to the benzene group.…”
Section: Resultsmentioning
confidence: 99%
“…Three naturally occurring active auxins, indole-3-acetic acid (IAA, C 10 H 9 NO 2 ), 4-chloroindole-3-acetic acid (4-Cl-IAA, C 10 H 8 ClNO 2 ), and phenylacetic acid (PAA, C 8 H 8 O 2 ), have been identi ed in plant [18]. Among them, IAA is the most frequently found active auxin and has been recognized to be the key ingredient for cell enlargement and division in plants [19][20], participating directly in all tropism responses [20][21]. 4-Cl-IAA is a chlorinated analogue of IAA.…”
Section: Faster Growthmentioning
confidence: 99%
“…Three naturally occurring active auxins have been identified in plants: indole‐3‐acetic acid (IAA, C 10 H 9 NO 2 ), 4‐chloroindole‐3‐acetic acid (4‐Cl‐IAA, C 10 H 8 ClNO 2 ), and phenylacetic acid (PAA, C 8 H 8 O 2 ). [ 2 ] Among them, IAA is the most frequently found active auxin, [ 3,4 ] participating directly in all tropism responses. [ 4,5 ] An IAA molecule consists of two benzenes and a carboxyl group, where the carboxyl group is weakly connected to the benzene group.…”
Section: Introductionmentioning
confidence: 99%
“…[ 2 ] Among them, IAA is the most frequently found active auxin, [ 3,4 ] participating directly in all tropism responses. [ 4,5 ] An IAA molecule consists of two benzenes and a carboxyl group, where the carboxyl group is weakly connected to the benzene group. IAA loses its ability to stimulate cell growth once the carboxyl group is detached, thus becoming a part of the inactive auxin pool.…”
Section: Introductionmentioning
confidence: 99%