2001
DOI: 10.1105/tpc.13.10.2191
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The DEFECTIVE IN ANTHER DEHISCENCE1 Gene Encodes a Novel Phospholipase A1 Catalyzing the Initial Step of Jasmonic Acid Biosynthesis, Which Synchronizes Pollen Maturation, Anther Dehiscence, and Flower Opening in Arabidopsis

Abstract: The Arabidopsis mutant defective in anther dehiscence1 (dad1) shows defects in anther dehiscence, pollen maturation, and flower opening. The defects were rescued by the exogenous application of jasmonic acid (JA) or linolenic acid, which is consistent with the reduced accumulation of JA in the dad1 flower buds. We identified the DAD1 gene by T-DNA tagging, which is characteristic to a putative N-terminal transit peptide and a conserved motif found in lipase active sites. DAD1 protein expressed in Escherichia c… Show more

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Cited by 527 publications
(418 citation statements)
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“…In addition the sequence of the ps-2 gene will give us more insights into the physiology of anther dehiscence in tomato. Similar phenotypes have been observed in some Arabidopsis mutants where, in most of the cases, the jasmonic acid pathway was involved (Feys et al 1994;Ishiguro et al 2001;von Malek et al 2002;McConn and Browse 1996;Park et al 2002;Sanders et al 2000;Stintzi and Browse 2000;Xie et al 1998). Once the ps-2 gene is cloned, it will be interesting to know whether this gene is ortholog to one of those genes already identiWed in Arabidopsis.…”
Section: At(t0891)supporting
confidence: 59%
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“…In addition the sequence of the ps-2 gene will give us more insights into the physiology of anther dehiscence in tomato. Similar phenotypes have been observed in some Arabidopsis mutants where, in most of the cases, the jasmonic acid pathway was involved (Feys et al 1994;Ishiguro et al 2001;von Malek et al 2002;McConn and Browse 1996;Park et al 2002;Sanders et al 2000;Stintzi and Browse 2000;Xie et al 1998). Once the ps-2 gene is cloned, it will be interesting to know whether this gene is ortholog to one of those genes already identiWed in Arabidopsis.…”
Section: At(t0891)supporting
confidence: 59%
“…The molecular mechanism of ps-2 in tomato is unknown, but similar mutant phenotypes have been observed and studied mainly in Arabidopsis, such as the mutant myb26 (Steiner-Lange et al 2003), the mutants coi1 (Feys et al 1994;Xie et al 1998) and dad1 (Ishiguro et al 2001), the double mutants opr3/ dde1 (Sanders et al 2000;Stintzi and Browse 2000) and aos/dde2-2 (von Malek et al 2002;Park et al 2002) and the triple mutant fad3/fad7/fad8 (McConn and Browse 1996). They are characterized by defects in Wlament elongation, timing of anther dehiscence and often show reduced pollen viability.…”
Section: Introductionmentioning
confidence: 98%
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“…A new branch of JA signaling in trichome development Although the wound response of JA-related mutants has been characterized in detail, little attention has been paid to their morphological phenotypes, except for obvious male sterility and associated changes in stamen and petal development (Sanders et al, 2000;Ishiguro et al, 2001). To our knowledge, no defects in trichome formation by JA-related mutants have been reported in Arabidopsis.…”
Section: Discussionmentioning
confidence: 99%
“…Several dehiscence mutants are available in Arabidopsis (Sanders et al, 1999) that could be helpful in establishing the role of the FDH gene in the process of cell separation within the stomium. Like FDH, the anther dehiscence genes that have so far been identified molecularly, DEFECTIVE IN ANTHER DEHISCENCE 1 (DAD1) (Ishiguro et al, 2001), DELAYED DEHISCENCE 1 (Sanders et al, 2000) and OPR3 (Stintzi and Browse, 2000), all encode enzymes of lipid metabolism.…”
Section: Fdh-like Genes May Play a General Role In Determining Whethementioning
confidence: 99%