Zhang Yanjie, Sun Jin, Li Xinzheng, Qiu Jian-Wen
a Department of Biology , Hong Kong Baptist University , Hong Kong , P.R. China and.
b Institute of Oceanology, Chinese Academy of Sciences , Qingdao , P.R. China.
Mitochondrial DNA A DNA Mapp Seq Anal. 2016;27(2):1273-4. doi: 10.3109/19401736.2014.945552. Epub 2015 Sep 4.
We reported a nearly complete mitochondrial genome (mitogenome) from the glass sponge Lophophysema eversa, the second mitogenome in the order Amphidiscosida and the ninth in the class Hexactinellida. It is 20,651 base pairs in length and contains 39 genes including 13 protein-coding genes, 2 ribosomal RNA subunit genes and 24 tRNA genes. The gene content and order of L. eversa are identical to those of Tabachnickia sp., the other species with a sequenced mitogenome in Amphidiscosida, except with two additional tRNAs and three tRNA translocations. The cob gene has a +1 translational frameshift. These results will contribute to a better understanding of the phylogeny of glass sponges.
我们报道了来自玻璃海绵埃氏网纹海绵（Lophophysema eversa）的一个近乎完整的线粒体基因组（有丝分裂基因组），这是双盘海绵目（Amphidiscosida）中的第二个有丝分裂基因组，也是六放海绵纲（Hexactinellida）中的第九个。它长度为20,651个碱基对，包含39个基因，包括13个蛋白质编码基因、2个核糖体RNA亚基基因和24个tRNA基因。埃氏网纹海绵的基因内容和顺序与双盘海绵目中另一个有丝分裂基因组已测序的物种塔巴尼克海绵属（Tabachnickia sp.）相同，只是多了两个额外的tRNA和三个tRNA易位。细胞色素b（cob）基因有一个+1翻译移码。这些结果将有助于更好地理解玻璃海绵的系统发育。
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