Intron losses and gains in the nematodes

Biology Direct

Table 2 Intron losses and gains in Caenorhabditis

Species	Intron losses	Intron-lost genes	Intron gains	Intron-gained genes	Gene with both intron loss and gain
C. angaria	2981	1534	130	118	80
C. japonica	918	672	16	15	7
C. elegans	329	274	13	13	3
C. tropicalis	279	246	*	−	−
C. brenneri	256	225	7	6	4
C. latens	41	38	0	−	−
C. remanei	31	27	0	−	−
C. sinica	166	142	*	−	−
C. nigoni	39	35	0	−	−
C. briggsae	7	6	2	2	0
Sum	5047	3199	168	154	94

*We detected six putative intron gains in C. tropicalis and 12 in C. sinica. However, none of their annotations were confirmed by the RNA-seq data and thus, they were not counted as novel introns

ISSN: 1745-6150