Alleles and phylogenetic results
vmiranda at UMC.BR
Wed Jan 25 19:13:17 CST 2006
Do you have this paper in PDF? If so, could you send to me?
Richard.Zander at MOBOT.ORG wrote:
>Stace, C. A. 2005. Plant taxonomy and biosystematics---does DNA provide all
>the answers? Taxon 54: 999--1007.
>- discusses monoparental inheritance and homogenization, and effect on
>From: Ken Kinman [mailto:kinman2 at YAHOO.COM]
>Sent: Tuesday, January 24, 2006 10:30 PM
>To: TAXACOM at LISTSERV.NHM.KU.EDU
>Subject: [TAXACOM] Alleles and phylogenetic results
> When two alleles of a gene are present in a taxon, their divergent
>differences shouldn't be too problematic for phylogenetic analysis if (1)
>they haven't diverged very much (differences are small in a large sequence);
>and/or (2) these two alleles are actually recognized as such.
> However, what if different gene sequences deposited in the NCBI
>database are different alleles, are NOT recognized as such, and are
>significantly different? Does this not have the potential to lead to false
>conclusions, especially when taxon sampling is still pretty sparse? I
>wonder how widespread this problem could be.
> Ken Kinman
Vitor Fernandes Oliveira de Miranda
Universidade de Mogi da Cruzes - UMC
Laboratório de Sistemática Vegetal
Av. Dr. Cândido Xavier de Almeida Souza, n.200
CEP 08780-911 - Mogi das Cruzes - SP - Brasil
Tel.: +55 (11) 4798-7143/ 4798-7313
e-mail: vmiranda at umc.br
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