2020
Molecular Evolution and Diversification of Proteins Involved in miRNA Maturation Pathway
MOTURU, Tarakaramji, Sansrity SINHA, Hymavathi SALAVA, Sravankumar THULA, Tomasz NODZYNSKI et. al.Základní údaje
Originální název
Molecular Evolution and Diversification of Proteins Involved in miRNA Maturation Pathway
Autoři
MOTURU, Tarakaramji (356 Indie, garant, domácí), Sansrity SINHA, Hymavathi SALAVA, Sravankumar THULA (356 Indie, domácí), Tomasz NODZYNSKI (616 Polsko, domácí), Radka SVOBODOVÁ (203 Česká republika, domácí), Jiří FRIML (203 Česká republika) a Sibu SIMON (356 Indie, domácí)
Vydání
Plants, Basel, MDPI, 2020, 2223-7747
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10608 Biochemistry and molecular biology
Stát vydavatele
Švýcarsko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 3.935
Kód RIV
RIV/00216224:14740/20:00114699
Organizační jednotka
Středoevropský technologický institut
UT WoS
000525315000035
Klíčová slova anglicky
small RNA (smRNAs); Dawdle (DDL); Tough (TGH); Serrate (SE; ARS2); Argonaute (AGO); Dicer-Like (DCR; DCL); evolution; phylogeny
Štítky
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 5. 3. 2021 14:55, Mgr. Pavla Foltynová, Ph.D.
Anotace
V originále
Small RNAs (smRNA, 19-25 nucleotides long), which are transcribed by RNA polymerase II, regulate the expression of genes involved in a multitude of processes in eukaryotes. miRNA biogenesis and the proteins involved in the biogenesis pathway differ across plant and animal lineages. The major proteins constituting the biogenesis pathway, namely, the Dicers (DCL/DCR) and Argonautes (AGOs), have been extensively studied. However, the accessory proteins (DAWDLE (DDL), SERRATE (SE), and TOUGH (TGH)) of the pathway that differs across the two lineages remain largely uncharacterized. We present the first detailed report on the molecular evolution and divergence of these proteins across eukaryotes. Although DDL is present in eukaryotes and prokaryotes, SE and TGH appear to be specific to eukaryotes. The addition/deletion of specific domains and/or domain-specific sequence divergence in the three proteins points to the observed functional divergence of these proteins across the two lineages, which correlates with the differences in miRNA length across the two lineages. Our data enhance the current understanding of the structure-function relationship of these proteins and reveals previous unexplored crucial residues in the three proteins that can be used as a basis for further functional characterization. The data presented here on the number of miRNAs in crown eukaryotic lineages are consistent with the notion of the expansion of the number of miRNA-coding genes in animal and plant lineages correlating with organismal complexity. Whether this difference in functionally correlates with the diversification (or presence/absence) of the three proteins studied here or the miRNA signaling in the plant and animal lineages is unclear. Based on our results of the three proteins studied here and previously available data concerning the evolution of miRNA genes in the plant and animal lineages, we believe that miRNAs probably evolved once in the ancestor to crown eukaryotes and have diversified independently in the eukaryotes.
Návaznosti
GA13-40637S, projekt VaV |
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LM2010005, projekt VaV |
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LQ1601, projekt VaV |
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