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5-Aminolevulinic acid (ALA) is an essential precursor of all tetrapyrrole compounds such as chlorophylls and heme in plants. It has also been suggested widely for applications to crops to enhance growth and production as a plant growth regulator. However, how successful ALA can be used in fruit production was rarely reported. We conducted a field experiment(More)
The Arabidopsis vacuolar H(+)-pyrophosphatase (AVP1) has been well studied and subsequently employed to improve salt and/or drought resistance in herbaceous plants. However, the exact function of H(+)-pyrophosphatase in woody plants still remains unknown. In this work, we cloned a homolog of type I H(+)-pyrophosphatase gene, designated as PtVP1.1, from(More)
Human immunodeficiency virus subtype 1B (HIV-1B) binds to the CD4 receptor and co-receptor CCR5 or CXCR4 to enter T lymphocytes. The amino acid sequence of the HIV envelope glycoprotein V3 region determines the co-receptor tropism, thereby influencing the infectivity of the virus. Our research group previously found that the amino acid at position 22 of the(More)
Pegylated interferon and ribavirin combination therapy effectively suppresses viral replication in 50 %–60 % of hepatitis C virus (HCV)-infected patients. However, HCV-infected patients often display varied responses to therapy, and strains of subtype lb (the most widespread HCV subtype worldwide) have more-severe clinical manifestations, greater viral(More)
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