AUTHOR=Zhang Fang , Han Min , Lv Qiang , Bao Fang , He YiKun
TITLE=Identification and expression profile analysis of NUCLEAR FACTOR-Y families in Physcomitrella patens
JOURNAL=Frontiers in Plant Science
VOLUME=6
YEAR=2015
URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2015.00642
DOI=10.3389/fpls.2015.00642
ISSN=1664-462X
ABSTRACT=
NUCLEAR FACTOR Y transcription factors belong to a multimember family and consist of NF-YA/B/C subunits. Members of the NF-Y family have been reported to regulate physiological processes in plant. In this study, we identified and annotated two NF-YA, nine NF-B, and twelve NF-YC proteins in the genome of Physcomitrella patens. Analyses of conserved domains demonstrated that PpNF-YA/B/C shared the same conserved domains with their orthologous proteins in Arabidopsis, O. sativa and mouse. Expression profiles indicated that PpNF-Ys were widely expressed in different tissues and developmental stages of P. patens throughout protonema and gametophores. The majority of PpNF-Y genes were responsive to abiotic stress via either ABA-independent or -dependent pathways. Some of ABA-regulated PpNF-Y expression were mediated by ABI3. To our knowledge, this study was the first to evaluate NF-Y families in Physcomitrella patens, and provides a foundation to dissect the function of PpNF-Ys.