Animal Coronaviruses

Brandão, Paulo Eduardo; Gregori, Fábio; Heinemann, Maik; Lima, Colleen; Rosales, César; Ruiz, V. L. A.; Jerez, José Antonio

doi:10.17525/vrrjournal.v6i1.186

Cited by 8 publications

(11 citation statements)

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“…This difference in serological behavior may be associated with protein S ("spike" -180 kDa), main structural protein of coronavirus, which is responsible for the induction of neutralizing antibodies (2,5). In BCoV, it may be cleaved in subunits S1 and S2.…”

Section: Discussionmentioning

confidence: 99%

“…Ectodomain S2 is the carboxyl-terminal portion of the protein, responsible for the fusion of the membrane and formation of syncytia (2,4,5). The observation of cytopathic effect compatible with BCoV shows high permissivity to isolation in HmLu-1 cells.…”

Section: Discussionmentioning

confidence: 99%

“…It is involved in the etiology of neonatal diarrhea in calves and winter dysentery of adult cows in many countries, including Brazil (3,9,16,18). It may also be involved in infections of the respiratory tract in calves (2,20).…”

Section: Introductionmentioning

confidence: 99%

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Isolation of bovine coronavirus (BCoV) in monolayers of HmLu-1 cells

Jerez¹,

Gregori²,

Brandão³

et al. 2005

Braz. J. Microbiol.

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Isolation of BCoV was performed in monolayers of HmLu-1 cells, using 20 fecal samples from clinical cases of diarrhea in calves. Samples were positive for BCoV by means of hemagglutination / hemagglutination inhibition (HA/HI). Up to the fifth serial passage, 13 of these isolates presented syncytial cytopathic effect, similar to Kakegawa standard strain. When isolates were submitted to seroneutralization with gammaglobulin antibovine coronavirus, 8 of them were considered to be positive, once cytopathic effect was neutralized. After titration and seroneutralization in microplates, only three of them were confirmed as positive. The lineage HmLu-1 showed higher permissivity to BCoV isolation, but the low intensity of viral replication demonstrated that new methodologies should be developed for this purpose and then submitted to confirmation of isolation by means of seroneutralization.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Isolation of bovine coronavirus (BCoV) in monolayers of HmLu-1 cells

Jerez¹,

Gregori²,

Brandão³

et al. 2005

Braz. J. Microbiol.

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“…We now discuss how to add gauge field disorder in the Boltzmann approach. For long ranged disorder, some authors [36][37][38] argue that it can be advantageous to include the disorder potential in the classical Liouvillian evolution, that is, to treat V (r) in the left-hand side of the Boltzmann equation. This approach is justified in the "classical" regime, where k F λ 1, that is, where the random fields with a characteristic length λ vary slowly in the scale of k −1 F .…”

Section: Drude-boltzmann Conductivitymentioning

confidence: 99%

Effects of a random gauge field on the conductivity of graphene sheets with disordered ripples

et al. 2015

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We study the effect of disordered ripples on the conductivity of monolayer graphene flakes. We calculate the relaxation times and the Boltzmann conductivities associated with two mechanisms. First, we study the conductivity correction due to an external in-plane magnetic field B . Due to the irregular local curvature found at graphene sheets deposited over a substrate, B can be mapped into an effective random magnetic field perpendicular to the graphene surface. Second, we study the electron momentum relaxation due to intrinsic pseudo magnetic fields originated from deformations and strain. We find that the competition between these mechanisms gives rise to a strong anisotropy in the conductivity tensor. This result provides a new strategy to quantitatively infer the strength of pseudo-magnetic fields in rippled graphene flakes.

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“…HCoV-NL63 Brandão et al, 2001;Ksiazek et al, 2003, Masters, P. S., 2006 Quadro 1 -coronavírus: hospedeiros naturais, doenças por eles causadas, grupos e subdivisão em grupos…”

Section: Coronavírus Humano Nl63unclassified

Disenteria de inverno: detecção de coronavírus bovino (BCoV) por reação de PCR dirigida ao gene Rp Rd e isolamento em cultivo celular de HRT-18G

Sonza¹

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Animal Coronaviruses

Cited by 8 publications

References 0 publications

Isolation of bovine coronavirus (BCoV) in monolayers of HmLu-1 cells

Isolation of bovine coronavirus (BCoV) in monolayers of HmLu-1 cells

Effects of a random gauge field on the conductivity of graphene sheets with disordered ripples

Disenteria de inverno: detecção de coronavírus bovino (BCoV) por reação de PCR dirigida ao gene Rp Rd e isolamento em cultivo celular de HRT-18G

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