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Lihua Zhang, Yueli Yun, Guowen Hu, Yu Peng
Most spiders are natural enemies of pests, and it is beneficial for the biological control of pests to learn the relationships between symbionts and their spider hosts. Research on the bacterial communities of insects has been conducted recently, but only a few studies have addressed the bacterial communities of spiders. To obtain a complete overview of the microbial communities of spiders, we examined eight species of spider ( Pirata subpiraticus , Agelena difficilis , Artema atlanta , Nurscia albofasciata , Agelena labyrinthica , Ummeliata insecticeps , Dictis striatipes, and Hylyphantes graminicola ) with high-throughput sequencing based on the V3 and V4 regions of the 16S rRNA gene...
May 2018: Ecology and Evolution
Smarn Tesana, P Khampoosa, S Piratae, S Prasopdee, B Sripanidkulchai
The human liver fluke Opisthorchis viverrini (Platyhelminthes, Trematoda, Digenea) uses snails of the genus Bithynia as first intermediate host. Peculiarly among trematodes, the eggs of O. viverrini hatch within the digestive tract of its snail host. It remains uncertain whether hatching in this species is mediated through mechanical fracture of the eggshell or by digestion with specific digestive enzymes. This study aimed to characterize enzymes with specific inhibitor and factors involved in the hatching activity of O...
May 8, 2018: Journal of Parasitology
Jun Zhu, Yao Li, Hua Jiang, Chen Liu, Weiwei Lu, Wei Dai, Jianxiang Xu, Fang Liu
The novel mesoionic insecticide triflumezopyrim was highly effective in controlling both imidacloprid-susceptible and resistant planthopper populations in Malaysia. However, the toxicity of triflumezopyrim to planthopper populations and their natural enemies has been under-investigated in China. In this study, the median lethal concentrations (LC50 ) of triflumezopyrim were determined in eight field populations of Nilaparvata lugens and one population of Sogatella furcifera from China under laboratory conditions...
May 2018: Ecotoxicology
Jittiyawadee Sripa, Nadda Kiatsopit, Supawadee Piratae
Ko Ae Sub-district of Khueang Nai, Ubon Ratchathani Province, Thailand is located in an endemic area for Opisthorchis viverrini and other fish-borne zoonotic trematodes (FZT) infection. This study shows the status in Ko Ae Sub-district of FZT infection based on availability of intermediate hosts and necessary requirements for the transmission of FZT. A cross-sectional survey of intermediate hosts of FZT, including Bithynia siamensis goniomphalos and cyprinoid fish, was conducted from April 2013 to December 2014...
May 2016: Southeast Asian Journal of Tropical Medicine and Public Health
K P Aplin, S G Rhind, J Ten Have, R T Chesser
The Australian Brush-tailed Phascogale (Phascogale tapoatafa sensu lato) has a broad but highly fragmented distribution around the periphery of the Australian continent and all populations are under significant ongoing threat to survival. A new appraisal of morphological and molecular diversity within the group reveals that the population in the 'Top End' of the Northern Territory is specifically distinct from all others, including those in the Kimberley region of Western Australia to the west and on Cape York of Queensland to the east...
2015: Zootaxa
Supawadee Piratae, Kiattisak Pimpjong, Kotchaphon Vaisusuk, Wasupon Chatan
Canine tick borne diseases showing distribution worldwide have caused morbidity and mortality in dogs. This study observed the mainly tick borne pathogens described for dogs in Thailand, Ehrlichia canis, Hepatozoon canis and Babesia canis vogeli. From May to July 2014, blood samples were collected from 79 stray dogs from 7 districts of Mahasarakham province to molecular surveyed for 16s rRNA gene of E. canis and 18s rRNA gene of H. canis and B. canis vogeli. Twenty eight (35.44%) of stray dogs showed the infection with tick borne pathogens...
2015: Annals of Parasitology
Supawadee Piratae
Opisthorchiasis caused by Opisthorchis viverrini (O. viverrini) remains as medically important problem in Thailand especially in the north-eastern part. Infection with this parasite can lead to cholangiocarcinoma improvement. The highest prevalence of O. viverrini infection has been found in the Northeast Thailand and is associated with the high incidence rate of cholangiocarcinoma. To complete the life cycle of O. viverrini, the freshwater snails namely Bithynia funiculata, Bithynia siamensis siamensis and Bithynia siamensis goniomphalos (B...
October 2015: Asian Pacific Journal of Tropical Medicine
Jutharat Kulsantiwong, Sattrachai Prasopdee, Supawadee Piratae, Panita Khampoosa, Chalida Thammasiri, Apiporn Suwannatrai, Thidarut Boonmars, Vithoon Viyanant, Jiraporn Ruangsitichai, Pairat Tarbsripair, Smarn Tesana
Opisthorchis viverrini is restricted to and requires for its aquatic life cycle only Bithynia snail as first intermediate host but many species of cyprinid fish as second intermediate hosts. A survey in Thailand of trematode infection in freshwater snails of the family Bithyniidae carried out during October 2008 - July 2009 found a total of 5,492 snails, classified into ten species distributed in various geographic areas. Bithyniafuniculata and Gabbia pygmaea were localized to the north, B. s. goniomphalos, Wattebledia siamensis and W...
May 2015: Southeast Asian Journal of Tropical Medicine and Public Health
Zheng-Liang Wang, Chao Li, Wen-Yuan Fang, Xiao-Ping Yu
The complete mitochondrial genome of a wolf spider Pirata subpiraticus was determined. It is a circular molecule of 14,528 bp in length and contains 13 protein-coding genes, 2 ribosomal RNAs, 21 transfer RNAs (tRNA(Gly) is lost) and a control region. The A + T content of the overall base composition of majority strand (J-strand) is 75.6% (T: 42.0%; C: 8.6%; A:33.6%; G: 15.8%). Among protein-coding genes, one genes (COIII) start with TTG, four genes (ND1, ND2, ATP8 and Cytb) begin with ATT and other eight genes use ATA as initiation codon...
May 2016: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
Luis N Piacentini
The lycosid genus Agalenocosa Mello-Leitão, 1944 comprises at least eight species from northern and eastern Argentina and neighbouring countries: Agalenocosa velox (Keyserling, 1891) comb. nov. (from southern Brazil and Argentina), transferred here from Pirata Sundevall, 1833, A. tricuspidata (Tullgren, 1905) comb. nov. (from northwestern Argentina), transferred here from Pardosa C.L. Koch, 1847, A. luteonigra (Mello-Leitão, 1945) (from Argentina and Uruguay), A. punctata Mello-Leitão, 1944 (from Buenos Aires and Entre Ríos, Argentina),  A...
2014: Zootaxa
Ana Paula Soares, Manuel Perea, Montserrat Comesaña
Recent research with skilled adult readers has consistently revealed an advantage of consonants over vowels in visual-word recognition (i.e., the so-called "consonant bias"). Nevertheless, little is known about how early in development the consonant bias emerges. This work aims to address this issue by studying the relative contribution of consonants and vowels at the early stages of visual-word recognition in developing readers (2(nd) and 4(th) Grade children) and skilled adult readers (college students) using a masked priming lexical decision task...
2014: PloS One
Sattrachai Prasopdee, Jutharat Kulsantiwong, Supawadee Piratae, Panita Khampoosa, Chalida Thammasiri, Apiporn Suwannatrai, Thewarach Laha, Rudi Grams, Alex Loukas, Smarn Tesana
Determining of the success of a parasite's infectiveness in its snail host clearly depends on environmental conditions. Temperature, one of the most influential factors impinging on metabolism of cold-blooded animals, is believed to be an important factor in parasitic infection in snails. In order to elucidate the influence of temperature, sex and size of snails on infectivity of Opisthorchis viverrini to its first intermediate host, Bithynia siamensis goniomphalos, 960 snails were divided into 2 groups by sex...
January 2015: Acta Tropica
Bernhard Seifert, Sabine Frohschammer
A new species of the ant genus Cardiocondyla Emery, 1869 - Cardiocondyla pirata sp. n. - is described from the Philippines. The species belongs to an Indo-Malayan group of six species that is characterized by workers having a strongly bilobate postpetiolar sternite and a thickset mesosoma with strongly convex dorsal profile as well as wingless, ergatoid males with sickle-shaped mandibles. The female castes show a pigmentation pattern not known from any ant worldwide. If having any adaptive value, a possible function of this structure is supposed to be visual dissolution of body shape in order to irritate predators...
2013: ZooKeys
Supawadee Piratae, Smarn Tesana, Malcolm K Jones, Paul J Brindley, Alex Loukas, Erica Lovas, Veerachai Eursitthichai, Banchob Sripa, Sirikanda Thanasuwan, Thewarach Laha
BACKGROUND: The human liver fluke, Opisthorchis viverrini, is designated as a group 1 carcinogen, and is the major risk factor for cholangiocarcinoma in endemic countries throughout Southeast Asia. Proteins in the excretory-secretory products and tegumental surface membranes of the fluke have been proposed to play pivotal roles in parasite survival in the host, and subsequent pathogenesis. These macromolecules are therefore valid targets for the development of vaccines and new drugs to control the infection...
2012: PLoS Neglected Tropical Diseases
I S Martins, M R Sondahl
Shoot apices of bean cultivars (Phaseolus vulgaris) were cultivated in vitro. Callus induced by MS medium in the presence of KIN (10 μM), 2,4-D (5 μM), and IAA (10 μM) displayed optimum proliferation for 14 cultivars, intermediate growth for 8 cultivars, and poor growth for the remaining 14 cultivars. Callus derived from shoot apices of these 36 bean cultivars were transferred into liquid media. Inorganic PC-L2 salts with 2,4-D (10 μM) and casein hydrolysate (2 g · 1-1) was sufficient to sustain growth of cells in liquid medium...
December 1984: Journal of Plant Physiology
Jutharat Kulsantiwong, Sattrachai Prasopdee, Supawadee Piratae, Panita Khampoosa, Apiporn Suwannatrai, Wipada Duangprompo, Thidarut Boonmars, Wipaporn Ruangjirachuporn, Jiraporn Ruangsittichai, Vithoon Viyanant, Paul D N Hebert, Smarn Tesana
Bithynia funiculata is the first intermediate host of the human liver fluke Opisthorchis viverrini in northern Thailand but its identification through morphological analysis is often problematic due to the shortage of gastropod taxonomists. As a consequence, we focused on the development of species-specific primers for use as an identification tool. Our work involved recovery of a 502-base pair (bp) amplicon of unknown function through species-specific primers whose effectiveness was tested by analyzing specimens of B...
June 2013: Journal of Parasitology
Kai Li, Junce Tian, Qinxi Wang, Qiang Chen, Mao Chen, Huan Wang, Yuxun Zhou, Yufa Peng, Junhua Xiao, Gongyin Ye
Insect-resistant genetically modified (IRGM) rice is on the verge of commercial release in China, however, its potential non-target effect on non-target insect natural enemies remains controversial. Tracking trophic interactions between predators and preys in IRGM rice ecosystem can provide new insights into better understanding of the ecological risks of IRGM rice. In the present study, a novel method based on ligase detection reaction (LDR), PCR-LDR was introduced to track 15 prey species in the gut of a predaceous spider Pirata subpiraticus, a dominant natural enemy in rice field...
November 2011: Ecotoxicology
S Tesana, P Thapsripair, C Thammasiri, S Prasopdee, A Suwannatrai, S Harauy, S Piratae, P Khampoosa, J Kulsantiwong, C Donthaisong, P Chalokepanrat, V Viyanant, J B Malone
The molluscicidal effects of Bayluscide (niclosamide) were investigated on Bithynia siamensis goniomphalos, the first intermediate host of human liver fluke, Opisthorchis viverrini. Lethal concentrations of 50% (LC(50)) and 95% (LC(95)) against young and adult males were 0.38 and 0.80, 0.42 and 0.86 ppm, respectively. The LC(50) and LC(95) against young and adult females were 0.42 and 0.86, 0.46 and 0.97 ppm, respectively. No significant differences in mortality rate between sexes or snail size (p > 0.05) was detected...
March 2012: Parasitology International
Panita Khampoosa, Malcolm K Jones, Erica M Lovas, Tuanchai Srisawangwong, Thewarach Laha, Supawadee Piratae, Chalida Thammasiri, Apiporn Suwannatrai, Bungorn Sripanidkulchai, Veerachai Eursitthichai, Smarn Tesana
Eggs of most species digenean flukes hatch in the external environment to liberate larvae that seek and penetrate a snail intermediate host. Those of the human liver flukes, Opisthorchis viverrini, hatch within the gastrointestinal canal of their snail hosts. While adult parasites are primarily responsible for the pathology in cases of human opisthorchiasis, their eggs also contribute by inducing granulomata and in serving as nidi for gallstone formation. In view of the peculiar biology of O. viverrini eggs and their contribution to pathology, we investigated embryogenesis in this species by light and transmission electron microscopy...
February 2012: Parasitology Research
Apiporn Suwannatrai, Kulwadee Suwannatrai, Surat Haruay, Supawadee Piratae, Chalida Thammasiri, Panita Khampoosa, Jutharat Kulsantiwong, Sattrachai Prasopdee, Pairat Tarbsripair, Rasamee Suwanwerakamtorn, Somsak Sukchan, Thidarut Boonmars, John B Malone, Michael T Kearney, Smarn Tesana
Opisthorchis viverrini infection is associated with human cholangiocarcinoma and northeast Thailand has the highest incidence of this disease in the world. Bithynia siamensis goniomphalos is the major freshwater snail intermediate host of O. viverrini in this area and an analysis based on geographical information systems was used to determine the effect of variation in soil surface salt on the density and distribution of this snail. A malacological survey was carried out in 56 water bodies in the Khorat basin, northeast Thailand at locations with various soil surface salt levels...
May 2011: Geospatial Health
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