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Table 1 Summary of the pre-processing pipeline in the molluscan transcriptomic libraries

From: Comparative transcriptomics enlarges the toolkit of known developmental genes in mollusks

Organism No. of readsa before pre-processing No. of readsa after pre-processing No. of readsa excluded
Gymnomenia pellucida (Neomeniomorpha) 53,751,440 50,292,634 (93.57 %) 3,458,806 (6.43 %)
Wirenia argentea (Neomeniomorpha) 50,456,889 41,678,466 (82.60 %) 8,778,423 (17.4 %)
Scutopus ventrolineatus (Chaetodermomorpha) 43,492,046 40,596,155 (93.34 %) 2,895,891 (6.66 %)
Acanthochitona crinita (Polyplacophora) 35,737,364 33,695,610 (94.29 %) 2,041,754 (5.71 %)
Idiosepius notoides b (Cephalopoda) 588,878 588,878 (100 %) -
Idiosepius notoides (Cephalopoda) 38,267,214 35,131,600 (91.81 %) 3,135,614 (8.19 %)
Lottia cf. kogamogai b (Gastropoda) 402,814 402,814 (100 %) -
Nucula tumidula (Bivalvia) 40,797,848 38,849,372 (95.22 %) 1,948,476 (4.78 %)
Antalis entalis (Scaphopoda) 24,194,021 22,881,795 (94.58 %) 1,312,226 (5.42 %)
  1. aRead pairs for Illumina libraries
  2. bNote that the 454 datasets were just trimmed and converted to fasta and fasta.qual files. The quality and length filtering was executed by the program MIRA4 during the assembling step