http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Kumar, Vineet,Morrison, M.N.,Rajadurai, S.,Babu, A.M.,Thiagarajan, V.,Datta, R.K. Korean Society of Sericultural Science 2001 International Journal of Industrial Entomology Vol.2 No.2
The stink bug, Eocanthecona furcellata (Wolff.) is a natural and potential biocontrol agent of Spilarctia obliqua (Walk.). The present investigation reveals the biology, predatory efficiency and reproductive parameters of the predator which feeds on S. obliqua caterpillars in mulberry plantation. In order to find out the role of prey sine on the biology of the predators the predatory insects were separately fed with small and large caterpillars of S. obliqua. The incubation period of the eggs of E. furcellata was 8.37${\pm}$0.44 days, while the nymphal duration varied as per the prey sine. The predator when supplied with small larvae of prey, consumed 61.1 larvae and completed nymphal stage in 19.9 days; while those fed with larger prey, consumed 36.1 larvae and completed their nymphal stage in 21.55 days. The prey size also influences the reproductive parameters of the predator, The adult female predator is more voracious feeder than the adult male and consumed 41.9${\pm}$0.64 small larvae and 42.2${\pm}$0.87 large larvae during their life span. The longevity of male and female was observed as 20.7 and 29.4 days respectively. Visualization of the predator as well as the movement of the prey increases the predatory efficiency. Scanning electron microscopic studies on the feeding part explain its support in effective predation. Field observations indicated a drastic fall in the incidence of the mulberry pest, S. obliqua with the increased population E. furcellata in mulberry plantation.
( Rohan Jagat Chaudhary ),( V. Sagar Puppala ),( Thiagarajan S. ),( Prashant Bhangui ),( Amit Rastogi ),( Tarun Piplani ),( S. Baijal ),( V. Vohra ),( Arvinder Singh Soin ) 대한간학회 2020 춘·추계 학술대회 (KASL) Vol.2020 No.1
Aims: To study the outcomes of our algorithmic-approach for safe optimisation and surgical planning in patients with Hilar- Block. Methods: Retrospective-analysis of prospectively-maintained database of patients undergoing surgery for hilar-block from Jan2013-May2019 was done.Our approach includes Imaging, Biliary-decompression, Future-liver-remnant-Volume(FLR)augmentation based on CT-Volumetry and FLR-function assessment. Results: 45cases of hilar-blocks underwent resections.32were Hilar-cholangiocarcinoma,5-Intrahepatic-cholangiocarcinoma, 6-Ca-Gall-Bladder with hilar-block,2-IgG4-sclerosing- cholangitis-presenting as malignant-masquerade. The mean age was57±12years and 30(67%) were males. On MRCP, hilar-blocks types 2,3a,3b,4 were 3,15,17,10 respectively. Pre-operative biliary-decompression of FLR were done in 21cases[19 PTBD(Percutaneous-Transhepatic-biliary-drainage)/ 2 EBD(Endoscopic-biliary-drainage)]. Additional PTBD were done in 2 cases for inadequate fall in SB, and 3 for cholangitis. The mean SB(Serum-Total-Bilirubin) at presentation was 9.57±5.58mg/dl. The rate of fall of S.bilirubin was faster in patients < 50yrs of age and type-3 hilar-blocks than in type-4 hilar- blocks. PVE was performed in 14cases and FLR hypertrophy of 11.3± 3.03%was achieved.The quality of FLR was assessed with LAI(n=39),fibroscan(n=17), ICGR15(n=12), HVPG (n=35), and selective-remnant-biopsy(n=14,if HVPG >10 mm Hg,ICGR15> 15%, or in-suspected steatosis or fibrosis).After optimization, surgical procedures done were Right-Hepatectomy(7), Right-TriSectorectomy(7), Extended-Right-Hepatectomy(9), Left-Hepatectomy(6),Extended-Left-Hepatectomy(5), Left-Trisectorectomy( 8) and Bile-duct-excision-alone(3).Eleven patients required concomitant vascular-resections and reconstructions(- 8portal-vein-resections, 2 hepatic-arterial-resection,1both) to obtain R0. R0 and R1 resections were achieved in 42(93%) and 3 patients. Clavien-Dindo-Grade3/4 complications were 22.2%(n=10). 8(18%)patients had Post-Hepatectomy-Liver- Failure.Overall operative-mortality was 5/45(11.1%). Conclusions: Our algorithmic approach for safe optimization by preoperative-biliary-drainage, FLR-augmentation and FLR-functional- assessment have led to a high rate of R0 major liver resection and good outcomes in patients with hilar-blocks.Augmentation of FLR can also increase resectability in borderline resectable cases.
( T. Selvakumar ),( B. Nataraju ),( K. Chandrasekharan ),( S. D. Sharma ),( M. Balavenkatasubbaiah ),( P. Sudhakara Rao ),( V. Thiagarajan ),( S. B. Dandin ) 한국잠사학회 2005 International Journal of Industrial Entomology Vol.11 No.1
While observing silkworm larval samples received from field, microsporidian spores formed within the haemocytes of silkworm haemolymph were observed. The spores of microsporidian sp. were purified and characterized for morphological characters viz., size, shape as well as serological affinity with different Nosema spp. (M11 and M12). The infectivity of the isolated spores to silkworm was also studied. The microsporidian sp. was found to be highly pathogenic to silkworm, B. mori. The isolated microsporidian sp. was designated as NIK-5hm, which formed ovocylindrical spore in the haemocytes of silkworm and differed in spore size (length, 4.55 μm & width, 2.10 μm) and shape from Nosema bombycis (NIK-1s), NIK-2r (Nosema sp. Mysore [3.6 & 2.8 μm]), NIK-3h (Nosema sp. M11 [3.8 & 1.8 μm]), NIK-4m (Nosema sp. M12 [5.0 & 2.1 μm]) and Lb㎳ (Nosema sp. in Lamerine breed of silkworm [4.36 & 2.14]). In immonological test (Latex agglutination test), the isolated microsporidian spores did not react with antibody sensitized latex particles of N. bombycis, M11, M12 and Lb㎳ and thus are different type of microsporidian sp., parasitic to silkworm, Bombyx mori L.
M. Jeya,S. Thiagarajan,이정걸,P. Gunasekaran 한국생물공학회 2009 Biotechnology and Bioprocess Engineering Vol.14 No.1
Xylanases randomly clear the backbone of xylans, which are hemicelluloses representing a considerable source of fixed carbon in nature. Consequently, these enzymes have important industrial applications. To characterize the genes responsible for producing these enzymes, we cloned xylanase genes belonging to the GH11 and GH10 families from Aspergillus versicolor MKU3 using a 2-step polymerase chain reaction (PCR) protocol involving degenerate PCR and genome-walking PCR (GWPCR). We amplified a family 10 xylanase consensus fragment using degenerate PCR primers exhibiting specificity for conserved motifs within fungal family 10 xylanase genes. We identified a single family 10 xylanase gene (xynv10) and determined its entire gene sequence during the second step of GWPCR, which was used to amplify genomic DNA fragments upstream and downstream of xynv10. The xynv10 sequence contains a 1,378-bp open reading frame separated by 8 introns with an average size of 49 bp. We also amplified a partial GH11 xylanase gene sequence (xynv11) using degenerate PCR and genome-walking methods. Amplification of the C-terminal region of xynv11 using a degenerate primer designed from sequences revealed strong homology with the partial GH11 xylanase gene of A. versicolor MKU3. The structural region in xynv11 was approximately 680 bp and has one intron that is approximately 64 bp in length. Further expression and characterization of these genes will give better understanding of the role of these genes in xylan degradation by A. versicolor.
Kumar, Virendra,Nataraju, B.,Thiagarajan, T.,Dandin, S.B. Korean Society of Sericultural Science 2003 International Journal of Industrial Entomology Vol.6 No.1
Systemic fungicides viz., Bavistin and Beyleton are reported to have curative effect against the infection of Beauveria bassiana in silkworm Bombyx mori L. To understand the influence of the systemic fungicides on the disease suppression/development, hematological studies were carried out. There was an increase in the percent total hemocyte count, granulocyte and plasmatocyte in silkworm treated with the systemic fungicides. It possibly indicates the influence of systemic fungicide on the hemocyte mediated defense system leading to the higher resistance and suppression of disease development.
A Practical Technology for Diagnosis and Management of Diseases in Silkworm Rearing
Nataraju, B.,Balavenkatasubbaiah, M.,Sharma, S.D.,Selvakumar, T.,Thiagarajan, V. Korean Society of Sericultural Science 2002 International Journal of Industrial Entomology Vol.4 No.2
A practical technology for silkworm disease management at farmer\\`s level was suggested and test verified for its efficacy and adaptability. The technology consisted of disinfection of rearing house and appliances, early disease diagnosis, personal and rearing hygiene and silkworm body and rearing seat disinfection. Besides, the supportive techniques associated in disease management are cited. The validation trials of the technology involving 845 farmers crops with 147,530 disease free layings (dfls) of CSR bivoltine hybrids confirmed the effectiveness of the technology which resulted an average yield of 68.98 kg cocoons/100 dfls.