Suppression of tiller bud activity in tillering dwarf mutants of rice [Oryza sativa]
In this study, we analyzed five tillering dwarf mutants that exhibit reduction of plant stature and an increase in tiller numbers. We show that, in the mutants, axillary meristems are normally established but the suppression of tiller bud activity is weakened. The phenotypes of tillering dwarf mutan...
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| Veröffentlicht in: | Plant and cell physiology 2005-01, Vol.46 (1), p.79-86 |
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| creator | Ishikawa, S.(Tokyo Univ. (Japan)) Maekawa, M Arite, T Onishi, K Takamure, I Kyozuka, J |
| description | In this study, we analyzed five tillering dwarf mutants that exhibit reduction of plant stature and an increase in tiller numbers. We show that, in the mutants, axillary meristems are normally established but the suppression of tiller bud activity is weakened. The phenotypes of tillering dwarf mutants suggest that they play roles in the control of tiller bud dormancy to suppress bud activity. However, tillering dwarf mutants show the dependence of both node position and planting density on their growth, which implies that the functions of tillering dwarf genes are independent of the developmental and environmental control of bud activity. Map-based cloning of the D3 gene revealed that it encodes an F-box leucine-trich repeat (LRR) protein orthologous to Arabidopsis MAX2/ORE9. This indicates the conservation of mechanisms controlling axillary bud activity between monocots and eudicots. We suggest that tillering dwarf mutants are suitable for the study of bud activity control in rice and believe that future molecular and genetic studies using them may enable significant progress in understanding the control of tillering and shoot branching. |
| doi_str_mv | 10.1093/pcp/pci022 |
| format | Article |
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(Japan)) ; Maekawa, M ; Arite, T ; Onishi, K ; Takamure, I ; Kyozuka, J</creator><creatorcontrib>Ishikawa, S.(Tokyo Univ. (Japan)) ; Maekawa, M ; Arite, T ; Onishi, K ; Takamure, I ; Kyozuka, J</creatorcontrib><description>In this study, we analyzed five tillering dwarf mutants that exhibit reduction of plant stature and an increase in tiller numbers. We show that, in the mutants, axillary meristems are normally established but the suppression of tiller bud activity is weakened. The phenotypes of tillering dwarf mutants suggest that they play roles in the control of tiller bud dormancy to suppress bud activity. However, tillering dwarf mutants show the dependence of both node position and planting density on their growth, which implies that the functions of tillering dwarf genes are independent of the developmental and environmental control of bud activity. Map-based cloning of the D3 gene revealed that it encodes an F-box leucine-trich repeat (LRR) protein orthologous to Arabidopsis MAX2/ORE9. This indicates the conservation of mechanisms controlling axillary bud activity between monocots and eudicots. We suggest that tillering dwarf mutants are suitable for the study of bud activity control in rice and believe that future molecular and genetic studies using them may enable significant progress in understanding the control of tillering and shoot branching.</description><identifier>ISSN: 0032-0781</identifier><identifier>EISSN: 1471-9053</identifier><identifier>DOI: 10.1093/pcp/pci022</identifier><identifier>PMID: 15659436</identifier><language>eng</language><publisher>Japan: Oxford University Press</publisher><subject>Amino Acid Sequence ; Arabidopsis - genetics ; Arabidopsis - growth & development ; Base Sequence ; BOURGEON ; BUDS ; Chromosome Mapping ; CONTROL GENETICO ; DNA, Plant - genetics ; DORMANCE ; DORMANCY ; DORMICION ; DWARFS ; ENANO ; Genes, Plant ; GENETIC CONTROL ; Keywords: Axillary meristem — Bud activity — Bud dormancy — Rice — Tiller ; leucine-rich region ; LLR ; LUTTE GENETIQUE ; MACOLLAMIENTO ; Meristem - anatomy & histology ; Meristem - growth & development ; Molecular Sequence Data ; MUTANT ; MUTANTES ; MUTANTS ; Mutation ; NAIN ; Oryza - anatomy & histology ; Oryza - genetics ; Oryza - growth & development ; ORYZA SATIVA ; Phenotype ; Plant Proteins - genetics ; reverse transcriptase–polymerase cahin reaction ; RT–PCR ; SAM ; Sequence Homology, Amino Acid ; shoot apical meristem ; TALLAGE ; TILLERING ; VARIEDADES ; VARIETE ; VARIETIES ; YEMA (PLANTA)</subject><ispartof>Plant and cell physiology, 2005-01, Vol.46 (1), p.79-86</ispartof><rights>Copyright Oxford University Press(England) Jan 15, 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c499t-e5f1602966a10d4027c371dab5ac3648e32babe35f8a04a46b099c5616fbb9d53</citedby><cites>FETCH-LOGICAL-c499t-e5f1602966a10d4027c371dab5ac3648e32babe35f8a04a46b099c5616fbb9d53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15659436$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ishikawa, S.(Tokyo Univ. (Japan))</creatorcontrib><creatorcontrib>Maekawa, M</creatorcontrib><creatorcontrib>Arite, T</creatorcontrib><creatorcontrib>Onishi, K</creatorcontrib><creatorcontrib>Takamure, I</creatorcontrib><creatorcontrib>Kyozuka, J</creatorcontrib><title>Suppression of tiller bud activity in tillering dwarf mutants of rice [Oryza sativa]</title><title>Plant and cell physiology</title><addtitle>Plant Cell Physiol</addtitle><description>In this study, we analyzed five tillering dwarf mutants that exhibit reduction of plant stature and an increase in tiller numbers. We show that, in the mutants, axillary meristems are normally established but the suppression of tiller bud activity is weakened. The phenotypes of tillering dwarf mutants suggest that they play roles in the control of tiller bud dormancy to suppress bud activity. However, tillering dwarf mutants show the dependence of both node position and planting density on their growth, which implies that the functions of tillering dwarf genes are independent of the developmental and environmental control of bud activity. Map-based cloning of the D3 gene revealed that it encodes an F-box leucine-trich repeat (LRR) protein orthologous to Arabidopsis MAX2/ORE9. This indicates the conservation of mechanisms controlling axillary bud activity between monocots and eudicots. We suggest that tillering dwarf mutants are suitable for the study of bud activity control in rice and believe that future molecular and genetic studies using them may enable significant progress in understanding the control of tillering and shoot branching.</description><subject>Amino Acid Sequence</subject><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - growth & development</subject><subject>Base Sequence</subject><subject>BOURGEON</subject><subject>BUDS</subject><subject>Chromosome Mapping</subject><subject>CONTROL GENETICO</subject><subject>DNA, Plant - genetics</subject><subject>DORMANCE</subject><subject>DORMANCY</subject><subject>DORMICION</subject><subject>DWARFS</subject><subject>ENANO</subject><subject>Genes, Plant</subject><subject>GENETIC CONTROL</subject><subject>Keywords: Axillary meristem — Bud activity — Bud dormancy — Rice — Tiller</subject><subject>leucine-rich region</subject><subject>LLR</subject><subject>LUTTE GENETIQUE</subject><subject>MACOLLAMIENTO</subject><subject>Meristem - anatomy & histology</subject><subject>Meristem - growth & development</subject><subject>Molecular Sequence Data</subject><subject>MUTANT</subject><subject>MUTANTES</subject><subject>MUTANTS</subject><subject>Mutation</subject><subject>NAIN</subject><subject>Oryza - anatomy & histology</subject><subject>Oryza - genetics</subject><subject>Oryza - growth & development</subject><subject>ORYZA SATIVA</subject><subject>Phenotype</subject><subject>Plant Proteins - genetics</subject><subject>reverse transcriptase–polymerase cahin reaction</subject><subject>RT–PCR</subject><subject>SAM</subject><subject>Sequence Homology, Amino Acid</subject><subject>shoot apical meristem</subject><subject>TALLAGE</subject><subject>TILLERING</subject><subject>VARIEDADES</subject><subject>VARIETE</subject><subject>VARIETIES</subject><subject>YEMA (PLANTA)</subject><issn>0032-0781</issn><issn>1471-9053</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpd0M9rFTEQB_AgFvusXrwrwYMHYXXy--UoRa2ltGJrkYqE2Wy2pO7bXZNd7fOvN2UfCh5CwuQzw_Al5AmDVwyseD36sZwInN8jKyYNqywocZ-sAASvwKzZPnmY8w1AeQt4QPaZ0spKoVfk4nwexxRyjkNPh5ZOsetCovXcUPRT_BmnLY39rhz7a9r8wtTSzTxhP-W7jhR9oF_P0vY30oylBb89Instdjk83t0H5PO7txeHR9XJ2fsPh29OKi-tnaqgWqaBW62RQSOBGy8Ma7BW6IWW6yB4jXUQql0jSJS6Bmu90ky3dW0bJQ7Ii2XumIYfc8iT28TsQ9dhH4Y5O20k09boAp__B2-GOfVlN8eBaWaUZAW9XJBPQ84ptG5McYNp6xi4u6BdCdotQRf8bDdxrjeh-Ud3yRZQLSDmKdz-_cf0vawljHJHX67c1emlkeefLh0U_3TxLQ4Or1PM7vgjB9AAfK2t-AMkz5HQ</recordid><startdate>20050101</startdate><enddate>20050101</enddate><creator>Ishikawa, S.(Tokyo Univ. 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However, tillering dwarf mutants show the dependence of both node position and planting density on their growth, which implies that the functions of tillering dwarf genes are independent of the developmental and environmental control of bud activity. Map-based cloning of the D3 gene revealed that it encodes an F-box leucine-trich repeat (LRR) protein orthologous to Arabidopsis MAX2/ORE9. This indicates the conservation of mechanisms controlling axillary bud activity between monocots and eudicots. We suggest that tillering dwarf mutants are suitable for the study of bud activity control in rice and believe that future molecular and genetic studies using them may enable significant progress in understanding the control of tillering and shoot branching.</abstract><cop>Japan</cop><pub>Oxford University Press</pub><pmid>15659436</pmid><doi>10.1093/pcp/pci022</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Plant and cell physiology, 2005-01, Vol.46 (1), p.79-86 |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Oxford University Press Journals All Titles (1996-Current) |
| subjects | Amino Acid Sequence Arabidopsis - genetics Arabidopsis - growth & development Base Sequence BOURGEON BUDS Chromosome Mapping CONTROL GENETICO DNA, Plant - genetics DORMANCE DORMANCY DORMICION DWARFS ENANO Genes, Plant GENETIC CONTROL Keywords: Axillary meristem — Bud activity — Bud dormancy — Rice — Tiller leucine-rich region LLR LUTTE GENETIQUE MACOLLAMIENTO Meristem - anatomy & histology Meristem - growth & development Molecular Sequence Data MUTANT MUTANTES MUTANTS Mutation NAIN Oryza - anatomy & histology Oryza - genetics Oryza - growth & development ORYZA SATIVA Phenotype Plant Proteins - genetics reverse transcriptase–polymerase cahin reaction RT–PCR SAM Sequence Homology, Amino Acid shoot apical meristem TALLAGE TILLERING VARIEDADES VARIETE VARIETIES YEMA (PLANTA) |
| title | Suppression of tiller bud activity in tillering dwarf mutants of rice [Oryza sativa] |
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