Isoenzymatic variability in an apple germplasm bank
Apple (Malusdomestica Borkh.) is a species, which has a very high degree of morphologic and genetic variability. Genetic variability within a group formed by 277 old varieties from Navarra has been studied through isoenzymatic analysis. 14 loci, corresponding to 7 isoenzymatic systems, were visualiz...
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| Veröffentlicht in: | Genetic resources and crop evolution 2003-06, Vol.50 (4), p.391-400 |
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| creator | Itoiz, R Royo, J.B |
| description | Apple (Malusdomestica Borkh.) is a species, which has a very high degree of morphologic and genetic variability. Genetic variability within a group formed by 277 old varieties from Navarra has been studied through isoenzymatic analysis. 14 loci, corresponding to 7 isoenzymatic systems, were visualized, detecting between 1 and 5 alleles per locus. The combinations of all 12 polymorphic isoenzymes allowed the identification of 263 isoenzymatic groups, 251 of which include a single accession. Average similarity for the different accessions in the bank was J = 0.58 and cophenetic correlation between the similarity matrix and dendrogram was good (r = 0.80). Thus, the groups obtained reflect taxonomic relationships between accessions correctly. |
| doi_str_mv | 10.1023/A:1023970926516 |
| format | Article |
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Genetic variability within a group formed by 277 old varieties from Navarra has been studied through isoenzymatic analysis. 14 loci, corresponding to 7 isoenzymatic systems, were visualized, detecting between 1 and 5 alleles per locus. The combinations of all 12 polymorphic isoenzymes allowed the identification of 263 isoenzymatic groups, 251 of which include a single accession. Average similarity for the different accessions in the bank was J = 0.58 and cophenetic correlation between the similarity matrix and dendrogram was good (r = 0.80). 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Genetic variability within a group formed by 277 old varieties from Navarra has been studied through isoenzymatic analysis. 14 loci, corresponding to 7 isoenzymatic systems, were visualized, detecting between 1 and 5 alleles per locus. The combinations of all 12 polymorphic isoenzymes allowed the identification of 263 isoenzymatic groups, 251 of which include a single accession. Average similarity for the different accessions in the bank was J = 0.58 and cophenetic correlation between the similarity matrix and dendrogram was good (r = 0.80). Thus, the groups obtained reflect taxonomic relationships between accessions correctly.</description><subject>alleles</subject><subject>alleles per locus</subject><subject>apples</subject><subject>Genetic variability</subject><subject>Germplasm</subject><subject>germplasm conservation</subject><subject>Isoenzymes</subject><subject>isozymes</subject><subject>Loci</subject><subject>Malus domestica</subject><subject>plant genetic resources</subject><subject>polyacrylamide gel electrophoresis</subject><subject>Similarity</subject><subject>varieties</subject><issn>0925-9864</issn><issn>1573-5109</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpdkMtLAzEYxIMoWKtnjy4I3lbz2CRfvJXio1DwoD0vX3aTkrovN7tC_evdUk_CwMDwYxiGkGtG7xnl4mHxeDCjqeFKMnVCZkxqkUpGzSmZTalMDajsnFzEuKOUGq1gRsQqtq752dc4hCL5xj6gDVUY9kloEpzUdZVLtq6vuwpjnVhsPi_Jmccquqs_n5PN89PH8jVdv72slot1WnDgQ2ptJgsPUGiDJVjLjEZXytIZX4hplrTIPVAtpGWyBMGxtMorMM4I65UWc3J37O369mt0ccjrEAtXVdi4dow5A2ASqJjA23_grh37ZtqWcy4NMJXxA3VzpDy2OW77EPPNO6dM0Ok4rSUXv0uGXY0</recordid><startdate>20030601</startdate><enddate>20030601</enddate><creator>Itoiz, R</creator><creator>Royo, J.B</creator><general>Springer Nature B.V</general><scope>FBQ</scope><scope>3V.</scope><scope>7X2</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>20030601</creationdate><title>Isoenzymatic variability in an apple germplasm bank</title><author>Itoiz, R ; 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Genetic variability within a group formed by 277 old varieties from Navarra has been studied through isoenzymatic analysis. 14 loci, corresponding to 7 isoenzymatic systems, were visualized, detecting between 1 and 5 alleles per locus. The combinations of all 12 polymorphic isoenzymes allowed the identification of 263 isoenzymatic groups, 251 of which include a single accession. Average similarity for the different accessions in the bank was J = 0.58 and cophenetic correlation between the similarity matrix and dendrogram was good (r = 0.80). Thus, the groups obtained reflect taxonomic relationships between accessions correctly.</abstract><cop>Dordrecht</cop><pub>Springer Nature B.V</pub><doi>10.1023/A:1023970926516</doi><tpages>10</tpages></addata></record> |
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| subjects | alleles alleles per locus apples Genetic variability Germplasm germplasm conservation Isoenzymes isozymes Loci Malus domestica plant genetic resources polyacrylamide gel electrophoresis Similarity varieties |
| title | Isoenzymatic variability in an apple germplasm bank |
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