ArticleBMC plant biology2009
Dominance induction of fruitlet shedding in Malus x domestica (L. Borkh): molecular changes associated with polar auxin transport.
Article in BMC plant biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 41 citations in OpenAlex.
- Fruitlet carbohydrate status and relative growth rate explain apple abscission rates irrespective of flower position.Frontiers in plant science · 2026Article
- Deletion in the Promoter of PcPIN-L Affects the Polar Auxin Transport in Dwarf Pear (Pyrus communis L.).Scientific reports · 2019Article
- Validation of MADS-box genes from apple fruit pedicels during early fruit abscission by transcriptome analysis and real-time PCR.Genes & genomics · 2019Article
- Integrated analysis of mRNA-seq and miRNA-seq in calyx abscission zone of Korla fragrant pear involved in calyx persistence.BMC plant biology · 2019Article
- Genes Involved in Stress Response and Especially in Phytoalexin Biosynthesis Are Upregulated in FourFrontiers in plant science · 2019Article
- Identification and expression analysis of genes related to calyx persistence in Korla fragrant pear.BMC genomics · 2016Article
- Roles of Ethylene Production and Ethylene Receptor Expression in Regulating Apple Fruitlet Abscission.Plant physiology · 2015Article
- Flower abscission in Vitis vinifera L. triggered by gibberellic acid and shade discloses differences in the underlying metabolic pathways.Frontiers in plant science · 2015Article
- Transcriptomic signatures in seeds of apple (Malus domestica L. Borkh) during fruitlet abscission.PloS one · 2015Article
- Ethephon induced abscission in mango: physiological fruitlet responses.Frontiers in plant science · 2015Article
- RNA-seq-mediated transcriptome analysis of actively growing and winter dormant shoots identifies non-deciduous habit of evergreen tree tea during winters.Scientific reports · 2014Article
- Identifying the candidate genes involved in the calyx abscission process of 'Kuerlexiangli' (Pyrus sinkiangensis Yu) by digital transcript abundance measurements.BMC genomics · 2013Article
- Early induction of apple fruitlet abscission is characterized by an increase of both isoprene emission and abscisic acid content.Plant physiology · 2013Article
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- Signaling pathways mediating the induction of apple fruitlet abscission.Plant physiology · 2011Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundApple fruitlet abscission is induced by dominance, a process in which hormones such as auxin, cytokinins and strigolactone play a pivotal role. The response to these hormones is controlled by transcription regulators such as Aux/IAA and ARR, whereas auxin transport is controlled by influx and efflux carriers.
resultsSeven partial clones encoding auxin efflux carriers (MdPIN1_A, MdPIN1_B, MdPIN10_A, MdPIN10_B, MdPIN4, MdPIN7_A and MdPIN7_B), three encoding auxin influx carriers (MdLAX1, MdLAX2 and MdLAX3) and three encoding type A ARR cytokinin response regulators (MdARR3, MdARR4 and MdARR6) were isolated by the use of degenerate primers. The organization of the PIN multigene family in apple is closer to Medicago truncatula than to Arabidopsis thaliana. The genes are differentially expressed in diverse plant organs and at different developmental stages. MdPIN1 and MdPIN7 are largely more expressed than MdPIN10 and MdPIN4. During abscission, the transcription of these genes increased in the cortex whereas in the seed a sharp fall was observed. The expression of these genes was found to be at least partially controlled by ethylene and auxin.
conclusionThe ethylene burst preceding abscission of fruitlets may be responsible for the decrease in transcript level of MDPIN1, MDARR5 and MDIAA3 in seed. This situation modulates the status of the fruitlet and its fate by hampering the PAT from the seeds down through the abscission zone (AZ) and this brings about the shedding of the fruitlet.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.