There is described an isolated rhizobacterial strain for enhancing total lipid yields in an oilseed crop having a nucleic acid molecule comprising a nucleotide sequence consisting of SEQ ID NO.:1; or the nucleotide sequence SEQ ID NO.:1 having a substitution, a deletion and/or an addition of one or more nucleotide; or a nucleotide sequence having sufficient homology with the nucleotide sequence SEQ ID NO.:1 for enhancing total lipid yields, or a nucleotide sequence capable of hybridization with a first primer consisting of SEQ ID NO.:2; and/or a second primer consisting of SEQ ID NO.:3; and/or a nucleotide sequence capable of hybridization with a probe consisting of SEQ ID NO.:4; and variants thereof.