Identification and analysis of a new hepadnavirus in white storks.
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Identification and analysis of a new hepadnavirus in white storks. / Pult, I; Netter, H J; Bruns, M; Prassolov, A; Sirma, Hüseyin; Hohenberg, H; Chang, S F; Frölich, K; Krone, O; Kaleta, E F; Will, H.
in: VIROLOGY, Jahrgang 289, Nr. 1, 1, 2001, S. 114-128.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Identification and analysis of a new hepadnavirus in white storks.
AU - Pult, I
AU - Netter, H J
AU - Bruns, M
AU - Prassolov, A
AU - Sirma, Hüseyin
AU - Hohenberg, H
AU - Chang, S F
AU - Frölich, K
AU - Krone, O
AU - Kaleta, E F
AU - Will, H
PY - 2001
Y1 - 2001
N2 - We identified, cloned, and functionally characterized a new avian hepadnavirus infecting storks (STHBV). STHBV has the largest DNA genome of all avian hepadnaviruses and, based on sequence and phylogenetic analysis, is most closely related to, but distinct from, heron hepatitis B virus (HHBV). Unique for STHBV among the other avian hepadnaviruses is a potential HNF1 binding site in the preS promoter. In common only with HHBV, STHBV has a myristylation signal on the S and not the preS protein, two C terminally located glycosylation sites on the precore/core proteins and lacks the phosphorylation site essential for the transcriptional transactivation activity of duck-HBV preS protein. The cloned STHBV genomes were competent in gene expression, replication, and viral particle secretion. STHBV infected primary duck hepatocytes very inefficiently suggesting a restricted host range, similar to other hepadnaviruses. This discovery of stork infections unravels novel evolutionary aspects of hepadnaviruses and provides new opportunities for hepadnavirus research.
AB - We identified, cloned, and functionally characterized a new avian hepadnavirus infecting storks (STHBV). STHBV has the largest DNA genome of all avian hepadnaviruses and, based on sequence and phylogenetic analysis, is most closely related to, but distinct from, heron hepatitis B virus (HHBV). Unique for STHBV among the other avian hepadnaviruses is a potential HNF1 binding site in the preS promoter. In common only with HHBV, STHBV has a myristylation signal on the S and not the preS protein, two C terminally located glycosylation sites on the precore/core proteins and lacks the phosphorylation site essential for the transcriptional transactivation activity of duck-HBV preS protein. The cloned STHBV genomes were competent in gene expression, replication, and viral particle secretion. STHBV infected primary duck hepatocytes very inefficiently suggesting a restricted host range, similar to other hepadnaviruses. This discovery of stork infections unravels novel evolutionary aspects of hepadnaviruses and provides new opportunities for hepadnavirus research.
M3 - SCORING: Zeitschriftenaufsatz
VL - 289
SP - 114
EP - 128
JO - VIROLOGY
JF - VIROLOGY
SN - 0042-6822
IS - 1
M1 - 1
ER -