A new mealybug species, Dysmicoccus lushanensis Zhang, Wang & Watson sp. n. (Hemiptera: Coccomorpha: Pseudococcidae), collected on the branches of Rhododendron simsii Planch.
View Article and Find Full Text PDFIntroduction: Schizophrenia is regarded as one of the most severe, disabling, and costly mental illnesses. Hence, early effective prevention and treatment are critical to the prognosis of patients. Amisulpride, a first-line atypical antipsychotic medication that acts as a blocker of the D2 and D3 dopamine receptors, is used in varying doses for the treatment of both positive and negative symptoms of schizophrenia.
View Article and Find Full Text PDFTo investigate the diversity and distribution of rhizobia associated with Sophora davidii in habitats with different light and soil conditions at the Loess Plateau, we isolated rhizobia from root nodules of this plant grown at 14 sites at forest edge or understory in Shaanxi Province. Based on PCR-RFLP and phylogenies of 16S rRNA gene, housekeeping genes (atpD, dnaK, recA), and symbiosis genes (nodC and nifH), a total of 271 isolates were identified as 16 Mesorhizobium genospecies, belonging to four nodC lineages, and three nifH lineages. The dominance of M.
View Article and Find Full Text PDFPiezoelectric micromachined ultrasonic transducers (PMUT) are promising elements to fabricate a two-dimensional (2D) array with a pitch small enough (approximately half wavelength) to form and receive arbitrary acoustic beams for medical imaging. However, PMUT arrays have so far failed to combine the wide, high-frequency bandwidth needed to achieve a high axial resolution. In this paper, a polydimethylsiloxane (PDMS) backing structure is introduced into the PMUTs to improve the device bandwidth while keeping a sub-wavelength (λ) pitch.
View Article and Find Full Text PDFThe neuropeptide natalisin (NTL) has been determined to play essential roles in reproduction in two Diptera and one Coleoptera species. Whether NTL has similar or even different functions in Lepidoptera remains to be determined. Here, we cloned the NTL transcript in the common cutworm moth Spodoptera litura.
View Article and Find Full Text PDFThe melon fly, (Diptera:Tephritidae) is an important invasive pest and distributed throughout tropical, subtropical countries and areas. In this study, we report the complete mitochondrial genome of the fly with 15, 685 base pair in length, which includes 37 genes (the large and small ribosomal RNA subunits, 22 transfer RNA genes, 13 genes encoding mitochondrial proteins) and a non-coding A + T-rich control region. Molecular phylogeny indicated that there was a high bootstrap value supported among and belonging to the complex.
View Article and Find Full Text PDFThe black-winged fly, (Diptera: Tephritidae), is an insect pest of bamboo shoot, mainly distributed in Thailand, Malaysia and Yunnan Province and Guangxi Autonomous Region, China. The complete sequence of the mitogenome of has been determined in this study. The whole mitogenome sequence is 16,536 bp in length, which totally contains 13 protein-coding genes (PCGs), 2 rRNA genes, 22 tRNA genes, and a non-coding region (putative control region, CR).
View Article and Find Full Text PDFMitochondrial DNA B Resour
January 2020
The long-armed scarab is an endangered large insect in southwestern China and neighboring countries. Herein, we present the first complete mitochondrial genome of . The 16,899 bp long circular genome consists of 2 ribosomal RNA genes, 22 transfer RNA genes, 13 protein-coding genes, and a non-coding control region.
View Article and Find Full Text PDFBackground: There is an immediate need for research on the mechanism underlying telomerase activation and overexpression.
Materials & Methods: A total of 174 patients with lung cancer ( = 106) and benign lung disease ( = 68) were recruited for the current study. The mRNA expression levels of E6, E7, LKB1, Sp1, and hTERC in brushing cells were detected by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR), and hTERC amplification was also detected by fluorescence in situ hybridization (FISH).
Mitochondrial DNA A DNA Mapp Seq Anal
April 2020
The long-armed scarab () is an endangered large insect in southwestern China and neighboring countries; however, limited information is available regarding its population genetics, hindering conservation efforts. Therefore, we investigated the population genetic structure and evolutionary history of in southwestern China. Twenty-five haplotypes were obtained from 47 specimens across five populations.
View Article and Find Full Text PDFChronic infection of HPV16 E6/E7 is frequently associated with lung cancers, especially in non-smokers and in Asians. In our previous studies, we found that HPV16 E6/E7 up-regulated HIF-1α at protein level and further up-regulated GLUT1 at both protein and mRNA levels in well-established lung cancer cell lines. In one of our further mechanism study, the results demonstrated that HPV16 E6/E7 up-regulated the expression of GLUT1 through HPV-LKB1-HIF-1α-GLUT1 axis.
View Article and Find Full Text PDFHyperactivity of the hypothalamic-pituitary-adrenal axis and impairment of the central corticotropin-releasing factor system are factors in the pathogenesis of depression. Though several antagonists of the corticotropin-releasing factor 1 receptor were effective in the recognized behavioral tests for antidepressant activity, there is still little information on the potential interactions between corticotropin-releasing factor 1 receptor inhibitors and conventional antidepressant therapy. The aim of our study was to assess the influence of CP154526, a corticotropin-releasing factor 1 receptor blocker, which presented some signs of depression.
View Article and Find Full Text PDFGinsenoside (GS Rg1), which has neuroprotection and anti-inflammation activities, is the main active ingredient of Radix Ginseng. However, its antidepressant-like effect in rats remains unclear. Our study was conducted to investigate whether GS Rg1 confers an antidepressant effect in rats exposed to a chronic unpredictable mild stress model of depression and to explore its possible mechanisms.
View Article and Find Full Text PDFLiver kinase B1 (LKB1) is a critical tumor suppressor that is frequently mutated in human cancers. LKB1 has serine/threonine protein kinase activity, which regulates gene expression by phosphorylation of Yes-Associated protein (YAP). The phosphorylation-dependent YAP shuttling is critically important intracellular mechanism in the Hippo pathway.
View Article and Find Full Text PDFHost specificity of parasitoids may be measured by various specialization indices to assess the variation of interaction strength among species and the structure of the wider interaction network. However, the conclusions from analyses at the species and network levels may differ, which remains poorly explored. In addition, the recovery of cryptic species of hosts and parasitoids with molecular data may affect the structure of inferred interaction links.
View Article and Find Full Text PDFAs constituent factors of Piwi-interacting RNA (piRNA) pathways, Piwi proteins are essential for germline maintenance and gonadal development. Previous studies show that Piwi-piRNA pathways could be regulated by hypothalamic-pituitary-gonadal (HPG) axis, however, related studies have not been reported in marine species. Here we reported the identification of turbot (Scophthalmus maximus) piwil1 gene, which was abundantly expressed in testis and ovary in a tissue-specific manner.
View Article and Find Full Text PDFComp Biochem Physiol B Biochem Mol Biol
June 2017
Piwil2, a member of the Argonaute family, is involved in the biogenesis of PIWI-interacting RNAs (piRNAs) and plays an important role in regulating gametogenesis. In the present study, we identified turbot Scophthalmus maximus piwil2 gene, named Smpiwil2, which contained a PAZ domain and a PIWI domain. Sequence comparison, genomic structure and phylogenetic analyses showed that Smpiwil2 is homologous to that of teleosts and tetrapods.
View Article and Find Full Text PDFWith the recent development of molecular approaches to species delimitation, a growing number of cryptic species have been discovered in what had previously been thought to be single morpho-species. Molecular methods, such as DNA barcoding, have greatly enhanced our knowledge of taxonomy, but taxonomy remains incomplete and needs a formal species nomenclature and description to facilitate its use in other scientific fields. A previous study using DNA barcoding, geometric morphometrics and mating tests revealed at least two cryptic species in the Encyrtus sasakii complex.
View Article and Find Full Text PDFA rapid method was developed to quantify diosgenin in Rhizoma Dioscoreae Zingiberensis. For the first time, sample solution was prepared by coupling pretreatment of raw material in cellulase and two-phase acid hydrolysis. After reconstitution, analysis was carried out on a C18 column, at 30°C, with acetonitrile and water (70:30, v/v) as mobile phase with flow rate of 1.
View Article and Find Full Text PDFZhongguo Zhong Xi Yi Jie He Za Zhi
August 2011
Objective: To explore the clinical value of Chinese medical intervention and treatment of high-risk human papilloma virus (HR-HPV) infection in patients of cervical cancer (CC) during radiotherapy (RT).
Methods: Eighty CC patients of the Ia-IIb stage receiving primary RT were assigned to two groups. RT and local intervention by Xunxi No.
Zhonghua Liu Xing Bing Xue Za Zhi
June 2004
Objective: To study the association between nutritional factors and gastric cancer in islanders.
Methods: A population-based case-control study on diet and gastric cancer was carried out in Zhoushan islands, China. 103 cases of gastric cancer newly diagnosed in 2001 and 133 controls frequency-matched by age, sex, and islands of residence among residents in Zhoushan were included in the study.