SymGRASS: a database of sugarcane orthologous genes involved in arbuscular mycorrhiza and root nodule symbiosis. - Luis Carlos Belarmino; Roberta Lane de Oliveira Silva; Nina da Mota Soares-Cavalcanti; Nicolas Krezdorn; Ederson Akio Kido; Ralf Horres; Peter Winter; Günter Kahl; Ana Maria Benko-Iseppon (BMC Bioinform., 2013)