Morphology and microstructure of the tongue of the lesser bamboo rat ( Cannomys badius )

2019 ◽  
Vol 101 (3) ◽  
pp. 282-291 ◽  
Author(s):  
Thanakul Wannaprasert ◽  
Passanun Phanthuma‐opas ◽  
Depicha Jindatip
Keyword(s):  

2013 ◽  
Vol 25 (5) ◽  
pp. 381-382 ◽  
Author(s):  
Fang Zhao ◽  
Tongzuo Zhang ◽  
Jianping Su ◽  
Eviatar Nevo ◽  
Gonghua Lin


2008 ◽  
Vol 89 (6) ◽  
pp. 1464-1472 ◽  
Author(s):  
Roger B. Silva ◽  
Emerson M. Vieira ◽  
Patrícia Izar


Author(s):  
Ayman Attigani ◽  
Lifang Sun ◽  
Qing Wang ◽  
Yadan Liu ◽  
Dingping Bai ◽  
...  

Cellulases are produced by microorganisms that grow on cellulose biomass. Here, a cellulase, Cel10, was identified in a strain ofKlebsiella pneumoniaeisolated from Chinese bamboo rat gut. Analysis of substrate specificity showed that Cel10 is able to hydrolyze amorphous carboxymethyl cellulose (CMC) and crystalline forms of cellulose (Avicel and xylan) but is unable to hydrolyzep-nitrophenol β-D-glucopyranoside (p-NPG), proving that Cel10 is an endoglucanase. A phylogenetic tree analysis indicates that Cel10 belongs to the glycoside hydrolase 8 (GH8) subfamily. In order to further understanding of its substrate specificity, the structure of Cel10 was solved by molecular replacement and refined to 1.76 Å resolution. The overall fold is distinct from those of most other enzymes belonging to the GH8 subfamily. Although it forms the typical (α/α)6-barrel motif fold, likeAcetobacterxylinumCMCax, one helix is missing. Structural comparisons withClostridium thermocellumCelA (CtCelA), the best characterized GH8 endoglucanase, revealed that sugar-recognition subsite −3 is completely missing in Cel10. The absence of this subsite correlates to a more open substrate-binding cleft on the cellooligosaccharide reducing-end side.





2015 ◽  
Vol 5 (1) ◽  
Author(s):  
Juan J. Carrique-Mas ◽  
Ngo T. Tue ◽  
Juliet E. Bryant ◽  
Karen Saylors ◽  
Nguyen V. Cuong ◽  
...  

Abstract The Vietnam Initiative for Zoonotic Infections (VIZIONS) includes community-based ‘high-risk sentinel cohort’ (HRSC) studies investigating individuals at risk of zoonotic infection due to occupational or residential exposure to animals. A total of 852 HRSC members were recruited between March 2013 and August 2014 from three provinces (Ha Noi, Dak Lak and Dong Thap). The most numerous group (72.8%) corresponded to individuals living on farms, followed by slaughterers (16.3%) and animal health workers (8.5%). Nasal/pharyngeal and rectal swabs were collected from HRSC members at recruitment and after notifying illness. Exposure to exotic animals (including wild pigs, porcupine, monkey, civet, bamboo rat and bat) was highest for the Dak Lak cohort (53.7%), followed by Ha Noi (13.7%) and Dong Thap (4.0%). A total of 26.8% of individuals reported consumption of raw blood over the previous year; 33.6% slaughterers reported no use of protective equipment at work. Over 686 person-years of observation, 213 episodes of suspect infectious disease were notified, equivalent of 0.35 reports per person-year. Responsive samples were collected from animals in the farm cohort. There was noticeable time and space clustering of disease episodes suggesting that the VIZIONS set up is also suitable for the formal epidemiological investigation of disease outbreaks.



Pathogens ◽  
2020 ◽  
Vol 9 (12) ◽  
pp. 1018
Author(s):  
Falei Li ◽  
Wentao Zhao ◽  
Chenyuan Zhang ◽  
Yaqiong Guo ◽  
Na Li ◽  
...  

Bamboo rats (Rhizomys sinensis) are widely farmed in Guangdong, China, but the distribution and public health potential of Cryptosporidium spp. in them are unclear. In this study, 724 fecal specimens were collected from bamboo rats in Guangdong Province and analyzed for Cryptosporidium spp. using PCR and sequence analyses of the small subunit rRNA gene. The overall detection rate of Cryptosporidium spp. was 12.2% (88/724). By age, the detection rate in animals under 2 months (23.2% or 13/56) was significantly higher than in animals over 2 months (11.2% or 75/668; χ2 = 6.95, df = 1, p = 0.0084). By reproduction status, the detection rate of Cryptosporidium spp. in nursing animals (23.1% or 27/117) was significantly higher than in other reproduction statuses (6.8% or 4/59; χ2 = 7.18, df = 1, p = 0.0074). Five Cryptosporidium species and genotypes were detected, including Cryptosporidium bamboo rat genotype I (n = 49), C. parvum (n = 31), Cryptosporidium bamboo rat genotype III (n = 5), C. occultus (n = 2), and C. muris (n = 1). The average numbers of oocysts per gram of feces for these Cryptosporidium spp. were 14,074, 494,636, 9239, 394, and 323, respectively. The genetic uniqueness of bamboo rat genotypes I and III was confirmed by sequence analyses of the 70 kDa heat shock protein and actin genes. Subtyping C. parvum by sequence analysis of the 60 kDa glycoprotein gene identified the presence of IIoA15G1 (n = 20) and IIpA6 (n = 2) subtypes. The results of this study indicated that Cryptosporidium spp. are common in bamboo rats in Guangdong, and some of the Cryptosporidium spp. in these animals are known human pathogens.



CYTOLOGIA ◽  
2013 ◽  
Vol 78 (4) ◽  
pp. 353-365
Author(s):  
Alongklod Tanomtong ◽  
Sumpars Khunsook ◽  
Pawarisa Boonhan ◽  
Puntivar Kaewmad ◽  
Nuntaya Maneechot ◽  
...  


ZooKeys ◽  
2012 ◽  
Vol 228 ◽  
pp. 69-75 ◽  
Author(s):  
Raquel Lopez-Antonanzas
Keyword(s):  


CYTOLOGIA ◽  
2011 ◽  
Vol 76 (4) ◽  
pp. 445-454
Author(s):  
Alongklod Tanomtong ◽  
Sumpars Khunsook ◽  
Pawarasa Boonhan ◽  
Wiwat Sangpadee ◽  
Krit Pinthong ◽  
...  
Keyword(s):  


Mammalia ◽  
1993 ◽  
Vol 57 (3) ◽  
Author(s):  
F. OLMOS ◽  
M. GALETTI ◽  
M. PASCHOAL ◽  
S.L. MENDES


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