Chin Bull Bot
• EXPERIMENTAL COMMUNICATIONS •
Yuanyuan Yuan, Li Wang, Panpan Zhao, Linsong Wang*
Nodulin genes are involved in nodulation in leguminous species. Nodulin-like genes are also found in non-nodulating species, playing important roles during plant development. The Medicago truncatula NODULIN 21 (MtN21) family is one member of the nodulin-like gene family. However, only a few MtN21-like genes have been characterized. We compared MtN21-like genes in cotton with MtN21-like genes in Arabidopsis by bioinformatics methods. MtN21-like genes in cotton are homologous to those in Arabidopsis. MtN21-like proteins in cotton and Arabidopsis both have the same transmembrane domains, such as EamA and PLN00411. In cotton, the isoelectric points are predicted to be lower in MtN21-like proteins containing only the PLN00411 domain than those of MtN21-like proteins containing the EamA domain. The MtN21-like proteins are predicted to localize to the plasma membrane, tonoplast, chloroplast or nucleus in cotton. MtN21-like proteins in cotton have phosphorylation sites in the cytoplasmic portion of membrane. MtN21-like proteins in cotton may be transmembrane proteins with transporter activities. They may play roles in development and defense against pathogens in cotton.
Yuanyuan Yuan, Li Wang, Panpan Zhao, Linsong Wang. Bioinformatics Analysis of the Medicago truncatula NODULIN 21-like Gene Family in Cotton[J].Chin Bull Bot, 2016, 51(4): 515-524.
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