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Chaopin Li - One of the best experts on this subject based on the ideXlab platform.

  • characterization of the complete mitochondrial genome of the storage mite pest tyrophagus longior gervais Acari Acaridae and comparative mitogenomic analysis of four Acarid mites
    Gene, 2016
    Co-Authors: Banghe Yang, Chaopin Li
    Abstract:

    Abstract Mites of the genus Tyrophagus are economically important polyphagous pest commonly living on stored products and also responsible for allergic reactions to humans. Complete mitochondrial genomes (mitogenomes) and the gene features therein are widely used as molecular markers in the study of population genetics, phylogenetics as well as molecular evolution. However, scarcity on the sequence data has greatly impeded the studies in these areas pertaining to the Acari (mites and ticks). Information on the Tyrophagus mitogenomes is quite critical for phylogenetic evaluation and molecular evolution of the mitogenomes within Acariformes. Herein, we reported the complete mitogenome of the allergenic Acarid storage mite Tyrophagus longior (Astigmata: Acaridae), an important member of stored food pests, and compared with those of other three Acarid mites. The complete mitogenome of T. longior was a circular molecule of 13,271 bp. Unexpectedly, only 19 transfer RNA genes (tRNAs) were present, lacking trnF, trnS1 and trnQ. Furthermore, it also contained 13 protein-coding genes (PCGs) and 2 genes for rRNA (rrnS and rrnL) commonly detected in metazoans. The four mitogenomes displayed similar characteristics with respect to the gene content, nucleotide comparison, and codon usages. Yet, the gene order of T. longior was different from that in other Acari. The J-strands of the four mitogenomes possessed high A + T content (67.4–70.0%), and exhibited positive GC-skews and negative AT-skews. Most inferred tRNAs of T. longior were extremely truncated, lacking either a D- or T-arm, as found in other Acarid mites. In T. longior mitogenome the A + T-rich region was just 50 bp in length and can be folded as a stable stem-loop structure, whereas in the region some structures of microsatellite-like (AT)n and palindromic sequences was not present. Besides, reconstructing of the phylogenetic relationship based on concatenated amino acid sequences of 13 PCGs supported that monophyly of the family Acaridae and the order Astigmata, to which the former belongs. Our results were consistent with the traditional classifications.

  • The complete mitochondrial genome of Tyrophagus longior (Acari: Acaridae): gene rearrangement and loss of tRNAs
    Journal of Stored Products Research, 2015
    Co-Authors: Banghe Yang, Chaopin Li
    Abstract:

    Abstract Most species of the family Acaridae are economically pests for stored grains and growing agricultural crops. However, complete mitochondrial genomes (mitogenomes) and the gene features therein are increasingly used for investigating the mechanism of resistance to Acaricides. Herein, we present the complete mitogenome of the acrid mite Tyrophagus longior. Unexpectedly, only 19 transfer RNA genes (tRNAs) were present in the mitogenome of T. longior, lacking trnF, trnS1 and trnQ. Further, the mitogenome of T. longior was 13,271 bp in length, and contained 13 protein-coding genes (PCGs) and 2 ribosomal RNAs (rrnS and rrnL). The gene order in T. longior was the same as that in T. putrescentiae, yet was distinct from other Acari by gene translocations and/or inversions as well as loss. Twenty-six genes were encoded on the heavy strand (H-strand), while the remaining genes were located on the light strand (L-strand). Most present tRNAs were truncated (48–63 bp, average 53.7 ± 3.07 bp), and lacked either a D- or T-arm. The largest non-coding region (the A + T-rich region) was just 50 bp in length and located between the rrnS and rrnL genes. Although the region was formed a stable stem-loop structure, some structures of microsatellite-like (AT)n and palindromic sequences were not found as previously described in other Acarid mites. This information on T. longior mitogenome may help to improve our understanding of the Acaricides-resistance mitochondrial genes.

Alireza Saboori - One of the best experts on this subject based on the ideXlab platform.

Lidio M. Valdez - One of the best experts on this subject based on the ideXlab platform.

  • TAMBO VIEJO: UN ASENTAMIENTO FORTIFICADO EN EL VALLE DE ACARÍ, PERÚ Tambo Viejo: A Fortified Settlement in the Acari Valley, Peru
    2020
    Co-Authors: Lidio M. Valdez
    Abstract:

    The emergence of violent conflict and of fortified settlements is a subject little studied within Peruvian archaeology. However, I consider it vital to investigate and determine the time and the rea- sons under which fortified settlements were first es- tablished. The central aim of this paper is to discuss when and why fortified settlements emerged first in the Acari Valley and, by extension, in the south coast of Peru. Available archaeological evidence indicates that during the Early Intermediate Period, Tambo Viejo was a fortified settlement protected by several massive walls. Other neighbouring sites in Acari were also fortified. Furthermore, in Acari there is conclu- sive evidence for violence in the form of decapitated individuals. In contrast to evidence coming from Acari, not a single Early Intermediate Period settle- ment from other valleys of the Peruvian south coast can be securely identified as fortifications, thus mak- ing the Acari sites the earliest fortified settlements of the entire Peruvian south coast.

  • Significado Social de la Cerámica Nasca Temprano en el Valle de Acarí, Perú
    2011
    Co-Authors: Lidio M. Valdez
    Abstract:

    En este trabajo, mi principal objetivo es evaluar el signifi cado social de la ceramica Nasca temprano proveniente del valle de Acari, donde se han recuperado muestras de alfareria Nasca temprano. Hasta hace poco, dichas muestras sirvieron para sostener que un estado Nasca temprano centrado en Cahuachi habria sido la fuerza principal que introdujo la ceramica Nasca hacia los valles vecinos, siendo uno de estos Acari. Lejos de confi rmar dicha propuesta, los especialistas mantienen un consenso casi unanime en sostener que Nasca nunca llego a constituir un estado; por su lado, los recientes estudios realizados en el valle de Acari dan a conocer que el estilo Nasca nunca sustituyo al estilo local. La introduccion de la fi na alfareria Nasca al valle de Acari parece estar asociada con personajes de poder, quienes utilizaron objetos exoticos para expandir y consolidar sus prestigios personales. Ejemplares de la ceramica Nasca, si bien presentes en Acari, siguen siendo limitados. Palabras Clave: Andes Centrales, Costa Sur, Periodo Intermedio Temprano, Nasca.

Banghe Yang - One of the best experts on this subject based on the ideXlab platform.

  • characterization of the complete mitochondrial genome of the storage mite pest tyrophagus longior gervais Acari Acaridae and comparative mitogenomic analysis of four Acarid mites
    Gene, 2016
    Co-Authors: Banghe Yang, Chaopin Li
    Abstract:

    Abstract Mites of the genus Tyrophagus are economically important polyphagous pest commonly living on stored products and also responsible for allergic reactions to humans. Complete mitochondrial genomes (mitogenomes) and the gene features therein are widely used as molecular markers in the study of population genetics, phylogenetics as well as molecular evolution. However, scarcity on the sequence data has greatly impeded the studies in these areas pertaining to the Acari (mites and ticks). Information on the Tyrophagus mitogenomes is quite critical for phylogenetic evaluation and molecular evolution of the mitogenomes within Acariformes. Herein, we reported the complete mitogenome of the allergenic Acarid storage mite Tyrophagus longior (Astigmata: Acaridae), an important member of stored food pests, and compared with those of other three Acarid mites. The complete mitogenome of T. longior was a circular molecule of 13,271 bp. Unexpectedly, only 19 transfer RNA genes (tRNAs) were present, lacking trnF, trnS1 and trnQ. Furthermore, it also contained 13 protein-coding genes (PCGs) and 2 genes for rRNA (rrnS and rrnL) commonly detected in metazoans. The four mitogenomes displayed similar characteristics with respect to the gene content, nucleotide comparison, and codon usages. Yet, the gene order of T. longior was different from that in other Acari. The J-strands of the four mitogenomes possessed high A + T content (67.4–70.0%), and exhibited positive GC-skews and negative AT-skews. Most inferred tRNAs of T. longior were extremely truncated, lacking either a D- or T-arm, as found in other Acarid mites. In T. longior mitogenome the A + T-rich region was just 50 bp in length and can be folded as a stable stem-loop structure, whereas in the region some structures of microsatellite-like (AT)n and palindromic sequences was not present. Besides, reconstructing of the phylogenetic relationship based on concatenated amino acid sequences of 13 PCGs supported that monophyly of the family Acaridae and the order Astigmata, to which the former belongs. Our results were consistent with the traditional classifications.

  • The complete mitochondrial genome of Tyrophagus longior (Acari: Acaridae): gene rearrangement and loss of tRNAs
    Journal of Stored Products Research, 2015
    Co-Authors: Banghe Yang, Chaopin Li
    Abstract:

    Abstract Most species of the family Acaridae are economically pests for stored grains and growing agricultural crops. However, complete mitochondrial genomes (mitogenomes) and the gene features therein are increasingly used for investigating the mechanism of resistance to Acaricides. Herein, we present the complete mitogenome of the acrid mite Tyrophagus longior. Unexpectedly, only 19 transfer RNA genes (tRNAs) were present in the mitogenome of T. longior, lacking trnF, trnS1 and trnQ. Further, the mitogenome of T. longior was 13,271 bp in length, and contained 13 protein-coding genes (PCGs) and 2 ribosomal RNAs (rrnS and rrnL). The gene order in T. longior was the same as that in T. putrescentiae, yet was distinct from other Acari by gene translocations and/or inversions as well as loss. Twenty-six genes were encoded on the heavy strand (H-strand), while the remaining genes were located on the light strand (L-strand). Most present tRNAs were truncated (48–63 bp, average 53.7 ± 3.07 bp), and lacked either a D- or T-arm. The largest non-coding region (the A + T-rich region) was just 50 bp in length and located between the rrnS and rrnL genes. Although the region was formed a stable stem-loop structure, some structures of microsatellite-like (AT)n and palindromic sequences were not found as previously described in other Acarid mites. This information on T. longior mitogenome may help to improve our understanding of the Acaricides-resistance mitochondrial genes.

Çobanoğlu - One of the best experts on this subject based on the ideXlab platform.

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