cytological study on aluminium-treated wheat anther cultures resulting in plants with increased Al tolerance
The in vitro selection of microspores and microspore-derived structures under Al stress is one way to improve the Al tolerance of crops. In our study, cytological alterations caused by Al were examined in anther cultures of a commercial wheat (Triticum aestivum L.) variety 'Mv Pálma', and...
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| Veröffentlicht in: | Plant breeding 2008-06, Vol.127 (3), p.235-240 |
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| creator | Bakos, F Darkó, É Ascough, G Gáspár, L Ambrus, H Barnabás, B |
| description | The in vitro selection of microspores and microspore-derived structures under Al stress is one way to improve the Al tolerance of crops. In our study, cytological alterations caused by Al were examined in anther cultures of a commercial wheat (Triticum aestivum L.) variety 'Mv Pálma', and the efficiency of in vitro selection was demonstrated. Although the anther walls retarded the appearance of toxicity symptoms, cytological changes similar to those observed in root cells (inhibition of cell division, intense vacuolisation, occurrence of micronuclei and cell wall thickening) were detected in the microspores. The severity of Al toxicity and the efficiency of selection depended on the Al concentration and the mode of treatment. Single Al treatments (0.6 and especially 1.6 mM) allowed DH lines with increased Al tolerance to be selected. Repeated Al treatment severely inhibited the cell division of the microspores and it was lethal even at a concentration as low as 0.6 mM. The results show that microspore embryogenesis can be exploited for studying the cytological effect of Al and for increasing the Al tolerance of wheat. |
| doi_str_mv | 10.1111/j.1439-0523.2007.01473.x |
| format | Article |
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In our study, cytological alterations caused by Al were examined in anther cultures of a commercial wheat (Triticum aestivum L.) variety 'Mv Pálma', and the efficiency of in vitro selection was demonstrated. Although the anther walls retarded the appearance of toxicity symptoms, cytological changes similar to those observed in root cells (inhibition of cell division, intense vacuolisation, occurrence of micronuclei and cell wall thickening) were detected in the microspores. The severity of Al toxicity and the efficiency of selection depended on the Al concentration and the mode of treatment. Single Al treatments (0.6 and especially 1.6 mM) allowed DH lines with increased Al tolerance to be selected. Repeated Al treatment severely inhibited the cell division of the microspores and it was lethal even at a concentration as low as 0.6 mM. The results show that microspore embryogenesis can be exploited for studying the cytological effect of Al and for increasing the Al tolerance of wheat.</description><identifier>ISSN: 0179-9541</identifier><identifier>EISSN: 1439-0523</identifier><identifier>DOI: 10.1111/j.1439-0523.2007.01473.x</identifier><identifier>CODEN: PLABED</identifier><language>eng</language><publisher>Oxford, UK: Oxford, UK : Blackwell Publishing Ltd</publisher><subject>Agronomy. Soil science and plant productions ; aluminium tolerance ; aluminium toxicity ; Biological and medical sciences ; cell division pattern ; doubled haploid ; Fundamental and applied biological sciences. Psychology ; Genetics and breeding of economic plants ; Haploidy, in vitro culture applications, somatic hybrids ; in vitro selection ; Plant breeding: fundamental aspects and methodology ; Triticum aestivum ; wheat</subject><ispartof>Plant breeding, 2008-06, Vol.127 (3), p.235-240</ispartof><rights>2008 The Authors. 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In our study, cytological alterations caused by Al were examined in anther cultures of a commercial wheat (Triticum aestivum L.) variety 'Mv Pálma', and the efficiency of in vitro selection was demonstrated. Although the anther walls retarded the appearance of toxicity symptoms, cytological changes similar to those observed in root cells (inhibition of cell division, intense vacuolisation, occurrence of micronuclei and cell wall thickening) were detected in the microspores. The severity of Al toxicity and the efficiency of selection depended on the Al concentration and the mode of treatment. Single Al treatments (0.6 and especially 1.6 mM) allowed DH lines with increased Al tolerance to be selected. Repeated Al treatment severely inhibited the cell division of the microspores and it was lethal even at a concentration as low as 0.6 mM. The results show that microspore embryogenesis can be exploited for studying the cytological effect of Al and for increasing the Al tolerance of wheat.</description><subject>Agronomy. Soil science and plant productions</subject><subject>aluminium tolerance</subject><subject>aluminium toxicity</subject><subject>Biological and medical sciences</subject><subject>cell division pattern</subject><subject>doubled haploid</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetics and breeding of economic plants</subject><subject>Haploidy, in vitro culture applications, somatic hybrids</subject><subject>in vitro selection</subject><subject>Plant breeding: fundamental aspects and methodology</subject><subject>Triticum aestivum</subject><subject>wheat</subject><issn>0179-9541</issn><issn>1439-0523</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNUE1v1DAQtRBILIXfgC9wS_BHYscHDqWCFrWCqlDKzXK8zq4Xb7LYjnb33zNpqj1jyZoZzXtvZh5CmJKSwvuwKWnFVUFqxktGiCwJrSQvD8_Q4tR4jhaESlWouqIv0auUNmSquVygYI95CMPKWxNwyuPyiIcemzBufe_HbZGjM9kt8X4NEZs-r13Edgx5jC5h-JD6foV9j3cB2gnvfV5DaYGYgHgeMAxw0fTWvUYvOhOSe_MUz9D9l88_L66Km--XXy_ObwpbccEL2gpTKdbS2nKljHWcGsWMEIzARXXratcwsVStkp1rmyVABOWiq61rVaUqfobez7q7OPwdXcp665N1ARZ0w5g06AghJAVgMwNtHFKKrtO76LcmHjUlerJXb_Tkop5c1JO9-tFefQDqu6cZJoF33XSgTyc-I5wrxhngPs64vQ_u-N_6-vbT3ZQBv5j5PmV3OPFN_KOF5LLWD98u9cOtkFe_737pa8C_nfGdGbRZRdjp_gcjlBPSNI0QhP8D8l-oTQ</recordid><startdate>200806</startdate><enddate>200806</enddate><creator>Bakos, F</creator><creator>Darkó, É</creator><creator>Ascough, G</creator><creator>Gáspár, L</creator><creator>Ambrus, H</creator><creator>Barnabás, B</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>200806</creationdate><title>cytological study on aluminium-treated wheat anther cultures resulting in plants with increased Al tolerance</title><author>Bakos, F ; Darkó, É ; Ascough, G ; Gáspár, L ; Ambrus, H ; Barnabás, B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4363-1b6a492b15c399ace31a92a66204395be5e826d9b97feb8d9ac6136f5ceb94943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>aluminium tolerance</topic><topic>aluminium toxicity</topic><topic>Biological and medical sciences</topic><topic>cell division pattern</topic><topic>doubled haploid</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetics and breeding of economic plants</topic><topic>Haploidy, in vitro culture applications, somatic hybrids</topic><topic>in vitro selection</topic><topic>Plant breeding: fundamental aspects and methodology</topic><topic>Triticum aestivum</topic><topic>wheat</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bakos, F</creatorcontrib><creatorcontrib>Darkó, É</creatorcontrib><creatorcontrib>Ascough, G</creatorcontrib><creatorcontrib>Gáspár, L</creatorcontrib><creatorcontrib>Ambrus, H</creatorcontrib><creatorcontrib>Barnabás, B</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Plant breeding</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bakos, F</au><au>Darkó, É</au><au>Ascough, G</au><au>Gáspár, L</au><au>Ambrus, H</au><au>Barnabás, B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>cytological study on aluminium-treated wheat anther cultures resulting in plants with increased Al tolerance</atitle><jtitle>Plant breeding</jtitle><date>2008-06</date><risdate>2008</risdate><volume>127</volume><issue>3</issue><spage>235</spage><epage>240</epage><pages>235-240</pages><issn>0179-9541</issn><eissn>1439-0523</eissn><coden>PLABED</coden><abstract>The in vitro selection of microspores and microspore-derived structures under Al stress is one way to improve the Al tolerance of crops. In our study, cytological alterations caused by Al were examined in anther cultures of a commercial wheat (Triticum aestivum L.) variety 'Mv Pálma', and the efficiency of in vitro selection was demonstrated. Although the anther walls retarded the appearance of toxicity symptoms, cytological changes similar to those observed in root cells (inhibition of cell division, intense vacuolisation, occurrence of micronuclei and cell wall thickening) were detected in the microspores. The severity of Al toxicity and the efficiency of selection depended on the Al concentration and the mode of treatment. Single Al treatments (0.6 and especially 1.6 mM) allowed DH lines with increased Al tolerance to be selected. Repeated Al treatment severely inhibited the cell division of the microspores and it was lethal even at a concentration as low as 0.6 mM. The results show that microspore embryogenesis can be exploited for studying the cytological effect of Al and for increasing the Al tolerance of wheat.</abstract><cop>Oxford, UK</cop><pub>Oxford, UK : Blackwell Publishing Ltd</pub><doi>10.1111/j.1439-0523.2007.01473.x</doi><tpages>6</tpages></addata></record> |
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| ispartof | Plant breeding, 2008-06, Vol.127 (3), p.235-240 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Agronomy. Soil science and plant productions aluminium tolerance aluminium toxicity Biological and medical sciences cell division pattern doubled haploid Fundamental and applied biological sciences. Psychology Genetics and breeding of economic plants Haploidy, in vitro culture applications, somatic hybrids in vitro selection Plant breeding: fundamental aspects and methodology Triticum aestivum wheat |
| title | cytological study on aluminium-treated wheat anther cultures resulting in plants with increased Al tolerance |
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