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BACKGROUND The plant working group of the Consortium for the Barcode of Life recommended the two-locus combination of rbcL+matK as the plant barcode, yet the combination was shown to successfully discriminate among 907 samples from 550 species at the species level with a probability of 72%. The group admits that the two-locus barcode is far from perfect due(More)
Human immunodeficiency virus-1 (HIV-1) Vif is essential for viral evasion of host antiviral factor CEM15/APOBEC3G. We report that Vif interacts with cellular proteins Cul5, elongins B and C, and Rbx1 to form an Skp1-cullin-F-box (SCF)-like complex. The ability of Vif to suppress antiviral activity of APOBEC3G was specifically dependent on Cul5-SCF function,(More)
BACKGROUND The internal transcribed spacer 2 (ITS2) region of nuclear ribosomal DNA is regarded as one of the candidate DNA barcodes because it possesses a number of valuable characteristics, such as the availability of conserved regions for designing universal primers, the ease of its amplification, and sufficient variability to distinguish even closely(More)
Simultaneous Multithreading (SMT) is a technique that permits multiple threads to execute in parallel within a single processor. Usually, an SMT processor uses shared instruction queues to collect instructions from the different threads. Hence, an SMT processor's performance depends on how the instruction fetch unit fills these instruction queues. On each(More)
Magnolia grandiflora is an important medicinal, ornamental and horticultural plant species. The chloroplast (cp) genome of M. grandiflora was sequenced using a 454 sequencing platform and the genome structure was compared with other related species. The complete cp genome of M. grandiflora was 159623 bp in length and contained a pair of inverted repeats(More)
BACKGROUND Rhododendron is a group of famous landscape plants with high medicinal value. However, there is no simple or universal manner to discriminate the various species of this group. Deoxyribonucleic acid (DNA) barcoding technique is a new biological tool that can accurately and objectively identify species by using short and standard DNA regions. (More)
BACKGROUND Ardisia is a group of famous herbs in China, which has been used as medical plants for more than 900 years. However, the species from the genus are so analogous that it is difficult to discriminate them just by morphological characteristics. DNA barcoding is a new technique that uses a short and standard fragment of DNA sequences to identify(More)
The English grain aphid, Sitobion avenae (F.) (Homoptera: Aphididae), is a dominant and destructive pest in wheat, Triticum estivum L. (Poales: Poaceae), production regions in China and other grain-growing areas worldwide. Patterns of gene expression of the S. avenae-resistant synthetic wheat line 98-10-35, the S. avenae-susceptible line1376, and their(More)
Remote sensing has been extensively applied in agriculture for its objectiveness and promptness. However, few applications are available for monitoring natural medicinal plants. In the paper, a multilevel monitoring system, which includes satellite and aerial remote sensing, as well as ground investigation, was initially proposed to monitor natural Rheum(More)