Table 1.

Comparative distribution of transcripts related to flagellar development belonging to IFT- A and IFT-B subcomplexes found in the centric diatom species (refer to supplementary Additional file 8: Tables S6 and Additional file 9: Table S7)

	IFT-A		IFT-B
	IFT122	IFT140	IFT172	IFT52	IFT80	IFT88	TTC-26	TTC30a
Attheya septentrionalis				+
Aulacoseira subarctica	+			+	+	+	+	+
Chaetoceros curvisetus				+		+	+
Corethron hystrix				+
Corethron pennatum				+		+
Coscinodiscus wailesii			+	+	+	+	+	+
Cyclotella meneghiniana				+		+	+	+
Dactyliosolen fragilissimus				+	+
Ditylum brightwellii	+		+	+	+	+	+	+
Extubocellulus spinifer			+	+		+		+
Leptocylindrus aporus				+	+		+
Leptocylindrus danicus	+	+	+	+	+	+	+	+
Leptocylindrus hargravesii	+	+	+	+	+	+	+
Minutocellus polymorphus				+	+	+		+
Odontella aurita	+		+	+	+	+	+	+
Proboscia alata	+	+	+	+	+	+	+	+
Proboscia inermis					+	+	+
Rhizosolenia setigera	+	+	+	+		+
Skeletonema marinoi				+		+		+
Skeletonema menzelii				+				+
Stephanopyxis turris	+		+	+	+	+	+	+
Thalassiosira pseudonana a				+		+		+
Thalassiosira rotula				+		+		+
Thalassiosira weissflogii	+	+	+	+	+	+	+	+

^aBased on genomic data [16]