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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Length distribution of the assembled unigenes. (A) The number of contigs with same length. (B) The number of contigs with length 200–500 bp, 500 bp−1 kb, 1–2 kb and larger than 2 kb are shown.