ArticlePlant molecular biology2009
Systematic identification of X1-homologous genes reveals a family involved in stress responses in rice.
Article in Plant molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 13 citations in OpenAlex.
- Annotation and Expression of IDN2-like and FDM-like Genes in Sexual and AposporousPlants (Basel, Switzerland) · 2019Article
- Understanding the Genetic Basis of Spike Fertility to Improve Grain Number, Harvest Index, and Grain Yield in Wheat Under High Temperature Stress Environments.Frontiers in plant science · 2019Article
- Genome-wide association study dissects yield components associated with low-phosphorus stress tolerance in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Isolation, structural analysis, and expression characteristics of the maize TIFY gene family.Molecular genetics and genomics : MGG · 2015Article
- Expression analysis of Arabidopsis XH/XS-domain proteins indicates overlapping and distinct functions for members of this gene family.Journal of experimental botany · 2014Article
- X1-homologous genes family as central components in biotic and abiotic stresses response in maize (Zea mays L.).Functional & integrative genomics · 2014Article
- Unravelling the proteomic profile of rice meiocytes during early meiosis.Frontiers in plant science · 2014Article
- INVOLVED IN DE NOVO 2-containing complex involved in RNA-directed DNA methylation in Arabidopsis.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- A subgroup of SGS3-like proteins act redundantly in RNA-directed DNA methylation.Nucleic acids research · 2012Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
X1-homologous genes (XHS) encode plant-specific proteins containing three major domains (XH, XS, zf-XS), but their functions are largely unknown. We report the systematic identification and characterization of XHS genes in the rice genome. Eleven putative XHS protein sequences (OXHS1-11) were identified in the sequenced genome of Oryza sativa japonica cv. Nipponbare, and these sequences, along with other plant XHS homologues, were classified into five subgroups based on phylogenetic analysis. Distinct diversification of the XHS proteins occurred between monocotyledon and dicotyledon plants. The OXHS family has diverse exon-intron structures and organizations of putative domains and motifs. The OXHS proteins showed no transactivation activity, and no interaction between the XH domain and the XS domain in yeast. Four representative OXHS proteins were targeted to cytoplasm, which contradicts the previous speculation that XHS proteins are putative transcription factors. All the OXHS genes are predominantly expressed in floral organs, and some are expressed in a wide range of tissues or organs in indica rice Minghui 63. Nine OXHS genes are responsive to at least one of the abiotic stresses including drought, salt, cold, and abscisic acid treatment. Over-expression of one stress-responsive gene OXHS2 in rice resulted in reduced tolerance to salt and drought stresses. These results suggest that the OXHS family may be functionally diversified and some members of this family may play important roles in regulating stress tolerance in rice.
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