rk12b12.y1 Meloidogyne javanica Egg SL1 Topo1 Kloek Chiapelli McCarter Meloidogyne javanica cDNA 5' similar to WP:R10E11.8 CE06291 VHA-1: VACUOLAR ATP SYNTHASE 16 KD PROTEOLIPID SUBUNIT 1, mRNA sequence