Nucleotide composition and CpG and CpNpG content of ITS1, ITS2, and the 5.8S rRNA in representatives of the phylogenetic branches melanthiales-liliales and melanthiales-asparagales (Angiospermae, Monocotyledones) reflect the specifics of their evolution

Standard

Nucleotide composition and CpG and CpNpG content of ITS1, ITS2, and the 5.8S rRNA in representatives of the phylogenetic branches melanthiales-liliales and melanthiales-asparagales (Angiospermae, Monocotyledones) reflect the specifics of their evolution. / Chupov, V. S.; Punina, E. O.; MacHs, E. M.; Rodionov, A. V.

In: Molecular Biology, Vol. 41, No. 5, 01.10.2007, p. 737-755.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{fc3dfc9fc00d42ec92cde984514d95d6,

title = "Nucleotide composition and CpG and CpNpG content of ITS1, ITS2, and the 5.8S rRNA in representatives of the phylogenetic branches melanthiales-liliales and melanthiales-asparagales (Angiospermae, Monocotyledones) reflect the specifics of their evolution",

abstract = "The nucleotide composition and the contents of CpG and CpNpG in internal transcribed spacers 1 and 2 (ITS1 and ITS2) and the 5.8S rRNA gene of the nuclear genome were studied in two phylogenetic lineages of monocotyledonous angiosperms. The evolutionary advance of taxa by morphological characters proved to positively correlate with an increase in the contents of C, CpG, and CpNpG, contrasting the views that genome evolution in vertebrate and higher plants tends to decrease or, at least, preserve the amount of CpG and CpNpG, potentially subject to methylation, in nuclear DNA. Cryptaffinity taxa, which are intermediates between morphologically distinct taxonomic groups, displayed higher contents of CpG and CpNpG as compared with neighboring taxa. Changes in the contents of these elements in the regions of cryptaffinity taxa are intricate, suggesting a reciprocating character for their accumulation. Cryptaffinity taxa and their close phylogenetic relatives from the ancestral and descendant groups were assumed to reflect the key macroevolutionary changes and to correspond to saltatory periods separating the periods of gradual evolution.",

keywords = "5.8 rRNA, CpG, CpNpG, Cryptaffinity taxa, Evolution and phylogeny of angiosperms, ITS1, ITS2, Molecular mechanisms of evolution",

author = "Chupov, {V. S.} and Punina, {E. O.} and MacHs, {E. M.} and Rodionov, {A. V.}",

year = "2007",

month = oct,

day = "1",

doi = "10.1134/S002689330705007X",

language = "English",

volume = "41",

pages = "737--755",

journal = "Molecular Biology",

issn = "0026-8933",

publisher = "Pleiades Publishing",

number = "5",

}

RIS

TY - JOUR

T1 - Nucleotide composition and CpG and CpNpG content of ITS1, ITS2, and the 5.8S rRNA in representatives of the phylogenetic branches melanthiales-liliales and melanthiales-asparagales (Angiospermae, Monocotyledones) reflect the specifics of their evolution

AU - Chupov, V. S.

AU - Punina, E. O.

AU - MacHs, E. M.

AU - Rodionov, A. V.

PY - 2007/10/1

Y1 - 2007/10/1

N2 - The nucleotide composition and the contents of CpG and CpNpG in internal transcribed spacers 1 and 2 (ITS1 and ITS2) and the 5.8S rRNA gene of the nuclear genome were studied in two phylogenetic lineages of monocotyledonous angiosperms. The evolutionary advance of taxa by morphological characters proved to positively correlate with an increase in the contents of C, CpG, and CpNpG, contrasting the views that genome evolution in vertebrate and higher plants tends to decrease or, at least, preserve the amount of CpG and CpNpG, potentially subject to methylation, in nuclear DNA. Cryptaffinity taxa, which are intermediates between morphologically distinct taxonomic groups, displayed higher contents of CpG and CpNpG as compared with neighboring taxa. Changes in the contents of these elements in the regions of cryptaffinity taxa are intricate, suggesting a reciprocating character for their accumulation. Cryptaffinity taxa and their close phylogenetic relatives from the ancestral and descendant groups were assumed to reflect the key macroevolutionary changes and to correspond to saltatory periods separating the periods of gradual evolution.

AB - The nucleotide composition and the contents of CpG and CpNpG in internal transcribed spacers 1 and 2 (ITS1 and ITS2) and the 5.8S rRNA gene of the nuclear genome were studied in two phylogenetic lineages of monocotyledonous angiosperms. The evolutionary advance of taxa by morphological characters proved to positively correlate with an increase in the contents of C, CpG, and CpNpG, contrasting the views that genome evolution in vertebrate and higher plants tends to decrease or, at least, preserve the amount of CpG and CpNpG, potentially subject to methylation, in nuclear DNA. Cryptaffinity taxa, which are intermediates between morphologically distinct taxonomic groups, displayed higher contents of CpG and CpNpG as compared with neighboring taxa. Changes in the contents of these elements in the regions of cryptaffinity taxa are intricate, suggesting a reciprocating character for their accumulation. Cryptaffinity taxa and their close phylogenetic relatives from the ancestral and descendant groups were assumed to reflect the key macroevolutionary changes and to correspond to saltatory periods separating the periods of gradual evolution.

KW - 5.8 rRNA

KW - CpG

KW - CpNpG

KW - Cryptaffinity taxa

KW - Evolution and phylogeny of angiosperms

KW - ITS1

KW - ITS2

KW - Molecular mechanisms of evolution

UR - http://www.scopus.com/inward/record.url?scp=35348975627&partnerID=8YFLogxK

U2 - 10.1134/S002689330705007X

DO - 10.1134/S002689330705007X

M3 - Article

C2 - 18240564

AN - SCOPUS:35348975627

VL - 41

SP - 737

EP - 755

JO - Molecular Biology

JF - Molecular Biology

SN - 0026-8933

IS - 5

ER -

ID: 36720068