A deep-branching clade of retrovirus-like retrotransposons in bdelloid rotifers Export

@article{citeulike:1257665, abstract = {Rotifers of class Bdelloidea, a group of aquatic invertebrates in which males and meiosis have never been documented, are also unusual in their lack of multicopy LINE-like and gypsy-like retrotransposons, groups inhabiting the genomes of nearly all other metazoans. Bdelloids do contain numerous DNA transposons, both intact and decayed, and domesticated Penelope-like retroelements Athena, concentrated at telomeric regions. Here we describe two LTR retrotransposons, each found at low copy number in a different bdelloid species, which define a clade different from previously known clades of LTR retrotransposons. Like bdelloid DNA transposons and Athena, these elements are found preferentially in telomeric regions. Unlike bdelloid DNA transposons, many of which are decayed, the newly described elements, named Vesta and Juno, inhabiting the genomes of Philodina roseola and Adineta vaga, respectively, appear to be intact and represent recent insertions, possibly from an exogenous source. We describe the retrovirus-like structure of the new elements, containing gag, pol, and env-like open reading frames, and discuss their possible origins, transmission, and behavior in bdelloid genomes.}, author = {Gladyshev, Eugene A. and Meselson, Matthew and Arkhipova, Irina R.}, booktitle = {ASILOMAR 2006}, citeulike-article-id = {1257665}, citeulike-linkout-0 = {http://www.sciencedirect.com/science/article/B6T39-4M22067-7/2/ef19929e66a7716a11a45f3b00fbe819}, day = {1}, journal = {Gene}, month = {April}, number = {1-2}, pages = {136--145}, posted-at = {2007-04-26 19:07:21}, priority = {2}, title = {A deep-branching clade of retrovirus-like retrotransposons in bdelloid rotifers}, url = {http://www.sciencedirect.com/science/article/B6T39-4M22067-7/2/ef19929e66a7716a11a45f3b00fbe819}, volume = {390}, year = {2007} }

TY - JOUR ID - citeulike:1257665 L3 - citeulike-article-id:1257665 N2 - Rotifers of class Bdelloidea, a group of aquatic invertebrates in which males and meiosis have never been documented, are also unusual in their lack of multicopy LINE-like and gypsy-like retrotransposons, groups inhabiting the genomes of nearly all other metazoans. Bdelloids do contain numerous DNA transposons, both intact and decayed, and domesticated Penelope-like retroelements Athena, concentrated at telomeric regions. Here we describe two LTR retrotransposons, each found at low copy number in a different bdelloid species, which define a clade different from previously known clades of LTR retrotransposons. Like bdelloid DNA transposons and Athena, these elements are found preferentially in telomeric regions. Unlike bdelloid DNA transposons, many of which are decayed, the newly described elements, named Vesta and Juno, inhabiting the genomes of Philodina roseola and Adineta vaga, respectively, appear to be intact and represent recent insertions, possibly from an exogenous source. We describe the retrovirus-like structure of the new elements, containing gag, pol, and env-like open reading frames, and discuss their possible origins, transmission, and behavior in bdelloid genomes. IS - 1-2 JF - Gene EP - 145 TI - A deep-branching clade of retrovirus-like retrotransposons in bdelloid rotifers VL - 390 T2 - ASILOMAR 2006 SP - 136 AU - Gladyshev, Eugene AU - Meselson, Matthew AU - Arkhipova, Irina PY - 2007/04/01/ UR - http://www.sciencedirect.com/science/article/B6T39-4M22067-7/2/ef19929e66a7716a11a45f3b00fbe819 ER -