alexa Phylogenetic relationship of the kingdoms Animalia, Plantae, and Fungi, inferred from 23 different protein species.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Computer Science & Systems Biology

Author(s): Nikoh N, Hayase N, Iwabe N, Kuma K, Miyata T

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Abstract The phylogenetic relationship among the kingdoms Animalia, Plantae, and Fungi remains uncertain, because of lack of solid fossil evidence. In spite of the extensive molecular phylogenetic analyses since the early report, this problem is a longstanding controversy; the proposed phylogenetic relationships differ for different authors, depending on the molecules and methods that they use. To settle this problem, we have accumulated 23 different protein species from the three kingdoms and have inferred the phylogenetic trees by three different methods--the maximum-likelihood method, the neighbor-joining method, and the maximum-parsimony method--for each data set. Although inferred tree topologies differ for different protein species and methods used, both the maximum-likelihood analysis based on the difference (delta l) between the total log-likelihood of a tree and that of the maximum-likelihood tree and bootstrap probability (P) of 23 proteins consisting of 10,051 amino acid sites in total have shown that a tree ((A,F),P), in which Plantae (P) is an outgroup to an Animalia (A)-Fungi (F) clade, is the maximum-likelihood tree; the delta l (= 0.0) and P (94\%) of ((A,F),P) are significantly larger than those of ((A,P),F) (delta l = -54.4 +/- 36.3; and P = 6\%) and ((F,P),A) (delta l = -141.1 +/- 30.9; and P = 0\%).(ABSTRACT TRUNCATED AT 250 WORDS)
This article was published in Mol Biol Evol and referenced in Journal of Computer Science & Systems Biology

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