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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
10/01/2010 |
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Data da última atualização: |
13/11/2012 |
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Autoria: |
PATEL, M.; DARVEY, N. L.; MARSHALL, D. R.; BERRY, J. O. |
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Afiliação: |
1-3 University of Sydney, Plant Breeding Institute, Camdem, Australia. 1,4 University at Buffalo, Department of Biological Sciences, Buffalo. |
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Título: |
Optimization of culture conditions for improved plant regeneration efficiency from wheat microspore culture. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Euphytica, Wageningen, v. 140, n. 3, p. 197-204, 2004. |
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Idioma: |
Inglês |
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Conteúdo: |
The production of haploid plants through microspore culture is a very important tool for plant breeding. However, progress in microspore culture for many species has been hampered by a number of factors that have resulted in low recovery of regenerated green plants. In this study, a series of experiments were conducted to increase the regeneration of haploid green plants from isolated wheat microspores. The use of different basal media and variations in media components resulted in the increased recovery (approximately double) of regenerated haploid wheat plants. Our findings demonstrate that CHB medium, in combination with 2,4-D, was a better medium for embryoids induction and plant regeneration than medium MC17 with either 2,4-D or PAA growth hormones. Wheat microspores cultured without ovary co-cultivation did not respond. Furthermore, high efficiency of microspore derived embryoids (up to 296 MDEs per 100 anthers) and green plant regeneration (up to 71 green plants per 100 anthers) were achieved by the use of gelrite instead of agarose as a gelling agent, and by the addition of media additives such as spent medium or MET |
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Palavras-Chave: |
2,4-D: 2,4-dichlorophenoxyacetic acid; BAP: 6-benzylaminopurine; Cultura de tecidos; IAA: indole-3-acetic acid; MDEs: Microspore derived embryoids; Media components; MET: paclobutrazol; Microspore culture; Micrósporo; Ovary co-culture; PAA: Phenylaceticacid. |
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Thesagro: |
Trigo; Triticum Aestivum. |
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Categoria do assunto: |
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Marc: |
LEADER 02096naa a2200313 a 4500
001 1840804
005 2012-11-13
008 2004 bl --- 0-- u #d
100 1 $aPATEL, M.
245 $aOptimization of culture conditions for improved plant regeneration efficiency from wheat microspore culture.
260 $c2004
520 $aThe production of haploid plants through microspore culture is a very important tool for plant breeding. However, progress in microspore culture for many species has been hampered by a number of factors that have resulted in low recovery of regenerated green plants. In this study, a series of experiments were conducted to increase the regeneration of haploid green plants from isolated wheat microspores. The use of different basal media and variations in media components resulted in the increased recovery (approximately double) of regenerated haploid wheat plants. Our findings demonstrate that CHB medium, in combination with 2,4-D, was a better medium for embryoids induction and plant regeneration than medium MC17 with either 2,4-D or PAA growth hormones. Wheat microspores cultured without ovary co-cultivation did not respond. Furthermore, high efficiency of microspore derived embryoids (up to 296 MDEs per 100 anthers) and green plant regeneration (up to 71 green plants per 100 anthers) were achieved by the use of gelrite instead of agarose as a gelling agent, and by the addition of media additives such as spent medium or MET
650 $aTrigo
650 $aTriticum Aestivum
653 $a2,4-D: 2,4-dichlorophenoxyacetic acid
653 $aBAP: 6-benzylaminopurine
653 $aCultura de tecidos
653 $aIAA: indole-3-acetic acid
653 $aMDEs: Microspore derived embryoids
653 $aMedia components
653 $aMET: paclobutrazol
653 $aMicrospore culture
653 $aMicrósporo
653 $aOvary co-culture
653 $aPAA: Phenylaceticacid
700 1 $aDARVEY, N. L.
700 1 $aMARSHALL, D. R.
700 1 $aBERRY, J. O.
773 $tEuphytica, Wageningen$gv. 140, n. 3, p. 197-204, 2004.
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| 1. |  | BRUSKIEWICH, R.; SENGER, M.; DAVENPORT, G.; RUIZ, M.; ROUARD, M.; HAZEKAMP, T.; TAKEYA, M.; DOI, K.; SATOH, K.; COSTA, M.; SIMON, R.; BALAJI, J.; AKINTUNDE, A.; MAULEON, R.; WANCHANA, S.; SHAH, T.; ANACLETO, M.; PORTUGAL, A.; ULAT, V. J.; THONGJUEA, S.; BRAAK, K.; RITTER, S.; DEREEPER, M.; SKOFIC, M.; ROJAS, E.; MARTINS, N.; PAPPAS, G.; ALAMBAN, R.; ALMODIEL, R.; BARBOZA, L. H.; DETRAS, J.; MANANSALA, K.; MENDOZA, M. J.; MORALES, J.; PERALTA, B.; VALERIO, R.; ZHANG, Y.; GREGORIO, S.; HERMOCILLA, J.; ECHAVEZ, M.; YAP, J. M.; FARMER, A.; SCHILTZ, G.; LEE, J.; CASSTEVENS, T.; JAISWAL, P.; MEINTJES, A.; WILKINSON, M.; GOOD, B.; WAGNER, J.; MORRIS, J.; MARSHALL, D.; COLLINS, A.; KIKUCHI, S.; METZ, T.; MCLAREN, G.; HINTUM, T. van. The generation challenge programme platform: semantic standards and workbench for crop science. International Journal of Plant Genomics, v.2008, 6 p., 2008. doi:10.1155/2008/369601.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - B |
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