Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm
Guava (Psidium guajava L.) belongs to the Myrtaceae family and is native to the tropical and subtropical regions of America. It produces a fruit of high nutritional value due to its mineral and vitamin content. During the past 2 decades, classical methods to evaluate genetic variation have been complemented by molecular DNA techniques. There is a great potential for the application of these molecular markers to fruit crops. The objective of this research was to compare results derived from individual versus combined data sets for varietal identification and diversity estimation in guava germplasm by different DNA markers. AFLP data permitted the discrimination of all the accessions evaluated, but diversity groups were not observed. Microsatellite (SSR) markers detected seven diversity groups, although all the accessions could not be differentiated. The combined AFLP and SSR data offered similar results only when AFLP markers were used. Although coincidences were identified in individuals and combined dendrograms, the integration of the information derived by each marker system individually permitted a more accurate estimation of guava germplasm diversity. This corroborates the strengths and constraints of each data set. Thus, the congruence or correspondence among the results derived from individual data sets is the most important point to consider before combining different types of data.
Main Authors: | , , , , , , , , , |
---|---|
Format: | conference_item biblioteca |
Language: | eng |
Published: |
ISHS [Belgique]
|
Subjects: | F30 - Génétique et amélioration des plantes, Psidium guajava, http://aims.fao.org/aos/agrovoc/c_6315, http://aims.fao.org/aos/agrovoc/c_1997, |
Online Access: | http://agritrop.cirad.fr/558291/ |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
id |
dig-cirad-fr-558291 |
---|---|
record_format |
koha |
spelling |
dig-cirad-fr-5582912022-03-30T14:08:16Z http://agritrop.cirad.fr/558291/ http://agritrop.cirad.fr/558291/ Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm. Rodriguez-Medina N.N., Vadès-Infante J., Velasquez B., Rivero D., Martinez F., Risterucci Ange-Marie, Billotte Norbert, Becker D., Ritter Enrique, Rohde Wolfgang. 2010. In : Proceedings of the Second International Symposium on guava and other Myrtaceae, Mérida, Mexico, November 10-13, 2008, Aguascalientes, Mexico, November 17-18, 2008. Rohde Wolfgang (ed.), Fermin Gustavo (ed.). ISHS. Louvain : ISHS [Belgique], 163-171. (Acta Horticulturae, 849) ISBN 978-90-6605-018-1 International Symposium on Guava and other Myrtaceae. 2, Mérida, Mexique, 10 Novembre 2008/18 Novembre 2008.http://www.actahort.org/books/849/849_18.htm <http://www.actahort.org/books/849/849_18.htm> Researchers Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm Rodriguez-Medina, N.N. Vadès-Infante, J. Velasquez, B. Rivero, D. Martinez, F. Risterucci, Ange-Marie Billotte, Norbert Becker, D. Ritter, Enrique Rohde, Wolfgang eng 2010 ISHS [Belgique] Proceedings of the Second International Symposium on guava and other Myrtaceae, Mérida, Mexico, November 10-13, 2008, Aguascalientes, Mexico, November 17-18, 2008 F30 - Génétique et amélioration des plantes Psidium guajava http://aims.fao.org/aos/agrovoc/c_6315 Cuba http://aims.fao.org/aos/agrovoc/c_1997 Guava (Psidium guajava L.) belongs to the Myrtaceae family and is native to the tropical and subtropical regions of America. It produces a fruit of high nutritional value due to its mineral and vitamin content. During the past 2 decades, classical methods to evaluate genetic variation have been complemented by molecular DNA techniques. There is a great potential for the application of these molecular markers to fruit crops. The objective of this research was to compare results derived from individual versus combined data sets for varietal identification and diversity estimation in guava germplasm by different DNA markers. AFLP data permitted the discrimination of all the accessions evaluated, but diversity groups were not observed. Microsatellite (SSR) markers detected seven diversity groups, although all the accessions could not be differentiated. The combined AFLP and SSR data offered similar results only when AFLP markers were used. Although coincidences were identified in individuals and combined dendrograms, the integration of the information derived by each marker system individually permitted a more accurate estimation of guava germplasm diversity. This corroborates the strengths and constraints of each data set. Thus, the congruence or correspondence among the results derived from individual data sets is the most important point to consider before combining different types of data. conference_item info:eu-repo/semantics/conferenceObject Conference info:eu-repo/semantics/closedAccess http://www.actahort.org/books/849/849_18.htm http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=210063 info:eu-repo/semantics/altIdentifier/purl/http://www.actahort.org/books/849/849_18.htm |
institution |
CIRAD FR |
collection |
DSpace |
country |
Francia |
countrycode |
FR |
component |
Bibliográfico |
access |
En linea |
databasecode |
dig-cirad-fr |
tag |
biblioteca |
region |
Europa del Oeste |
libraryname |
Biblioteca del CIRAD Francia |
language |
eng |
topic |
F30 - Génétique et amélioration des plantes Psidium guajava http://aims.fao.org/aos/agrovoc/c_6315 http://aims.fao.org/aos/agrovoc/c_1997 F30 - Génétique et amélioration des plantes Psidium guajava http://aims.fao.org/aos/agrovoc/c_6315 http://aims.fao.org/aos/agrovoc/c_1997 |
spellingShingle |
F30 - Génétique et amélioration des plantes Psidium guajava http://aims.fao.org/aos/agrovoc/c_6315 http://aims.fao.org/aos/agrovoc/c_1997 F30 - Génétique et amélioration des plantes Psidium guajava http://aims.fao.org/aos/agrovoc/c_6315 http://aims.fao.org/aos/agrovoc/c_1997 Rodriguez-Medina, N.N. Vadès-Infante, J. Velasquez, B. Rivero, D. Martinez, F. Risterucci, Ange-Marie Billotte, Norbert Becker, D. Ritter, Enrique Rohde, Wolfgang Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm |
description |
Guava (Psidium guajava L.) belongs to the Myrtaceae family and is native to the tropical and subtropical regions of America. It produces a fruit of high nutritional value due to its mineral and vitamin content. During the past 2 decades, classical methods to evaluate genetic variation have been complemented by molecular DNA techniques. There is a great potential for the application of these molecular markers to fruit crops. The objective of this research was to compare results derived from individual versus combined data sets for varietal identification and diversity estimation in guava germplasm by different DNA markers. AFLP data permitted the discrimination of all the accessions evaluated, but diversity groups were not observed. Microsatellite (SSR) markers detected seven diversity groups, although all the accessions could not be differentiated. The combined AFLP and SSR data offered similar results only when AFLP markers were used. Although coincidences were identified in individuals and combined dendrograms, the integration of the information derived by each marker system individually permitted a more accurate estimation of guava germplasm diversity. This corroborates the strengths and constraints of each data set. Thus, the congruence or correspondence among the results derived from individual data sets is the most important point to consider before combining different types of data. |
format |
conference_item |
topic_facet |
F30 - Génétique et amélioration des plantes Psidium guajava http://aims.fao.org/aos/agrovoc/c_6315 http://aims.fao.org/aos/agrovoc/c_1997 |
author |
Rodriguez-Medina, N.N. Vadès-Infante, J. Velasquez, B. Rivero, D. Martinez, F. Risterucci, Ange-Marie Billotte, Norbert Becker, D. Ritter, Enrique Rohde, Wolfgang |
author_facet |
Rodriguez-Medina, N.N. Vadès-Infante, J. Velasquez, B. Rivero, D. Martinez, F. Risterucci, Ange-Marie Billotte, Norbert Becker, D. Ritter, Enrique Rohde, Wolfgang |
author_sort |
Rodriguez-Medina, N.N. |
title |
Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm |
title_short |
Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm |
title_full |
Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm |
title_fullStr |
Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm |
title_full_unstemmed |
Individual versus combined data set for molecular characterization of Cuban guava (Psidium guajava) germplasm |
title_sort |
individual versus combined data set for molecular characterization of cuban guava (psidium guajava) germplasm |
publisher |
ISHS [Belgique] |
url |
http://agritrop.cirad.fr/558291/ |
work_keys_str_mv |
AT rodriguezmedinann individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT vadesinfantej individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT velasquezb individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT riverod individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT martinezf individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT risterucciangemarie individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT billottenorbert individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT beckerd individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT ritterenrique individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm AT rohdewolfgang individualversuscombineddatasetformolecularcharacterizationofcubanguavapsidiumguajavagermplasm |
_version_ |
1758022739264798720 |