The chloroplast genomes of Bryopsis plumosa and Tydemania expeditiones (Bryopsidales, Chlorophyta): compact genomes and genes of bacterial origin

Table 1 Summary of the Bryopsis plumosa and Tydemania expeditiones cpDNAs and comparison with other ulvophycean cpDNAs

Species	cpDNA size (kb)	GC content (%)	Gene number (unique genes)	Protein coding genes/ORFs ^d	rRNA genes	tRNA genes	% Coding ^b	Intergenic space (%)	Intron (%) ^c	Intron (%) ^b	Intron number	Quadripartite structure	Reference
B. plumosa	106.9	30.8	115	79/7	3	26	74.4	20.1	5.5	8.3	13	-	This study
T. expeditiones	105.2	32.8	125	77/17	3	28	77.5	16.3	6.3	11.2	11	-	This study
B. hypnoides ^a	153.4	33.1	131	78/11	3	39	55.9	38.9	5.2	7.1	11	-	[13]^a
P. akinetum	195.8	31.5	135	74/29	3	29	53.9	37.5	8.5	12.3	28	+	[12]
O. viridis	151.9	40.5	112	75/8	3	26	57.9	39.5	2.5	6.8	10	+	[11]

^aRe-annotated in this study (see Additional file 2).
^bIncluding intronic open reading frames (ORFs).
^cExcluding intronic ORFs.
^dOnly those ORFs are included, which were found to have a significant blastp result (E value < 1e-04).

ISSN: 1471-2164