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  1. Article

    Open Access

    Simultaneous determination of protoporphyrin IX and magnesium protoporphyrin IX in Arabidopsis thaliana and Camellia sinensis using UPLC-MS/MS

    Insertion of Mg2+ into protoporphyrin IX (PPIX) to produce magnesium-protoporphyrin IX (Mg-PPIX) was the first step toward chlorophyll biosynthesis, which not only imparts plants green pigmentation but underpins ...

    Chenyu Zhang, Chunlei Ma, Li Zhu, Mingzhe Yao in Plant Methods (2023)

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  2. Article

    Open Access

    Fast anther dehiscence status recognition system established by deep learning to screen heat tolerant cotton

    From an economic perspective, cotton is one of the most important crops in the world. The fertility of male reproductive organs is a key determinant of cotton yield. Anther dehiscence or indehiscence directly ...

    Zhihao Tan, Jiawei Shi, Rongjie Lv, Qingyuan Li, **g Yang, Yizan Ma… in Plant Methods (2022)

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  3. No Access

    Article

    Establishment of Caenorhabditis elegans SID-1-Dependent DNA Delivery System in Cultured Silkworm Cells

    The systemic RNA interference defective-1 (SID-1) can transport double-stranded RNA (dsRNA) into cytosol across the cytoplasmic membrane. We report here that ectopic expression of Caenorhabditis elegans SID-1 all...

    Jian Xu, Kaito Yoshimura, Hiroaki Mon, Zhiqing Li, Li Zhu… in Molecular Biotechnology (2014)

  4. No Access

    Article

    Molecular cloning and characterization of a novel splice variant of the LIM domain family gene, PINCH 2, in human testis

    By hybridizing human adult testis cDNA microarrays with human adult and embryo testis cDNA probes, we identified a novel human testis gene, PINCH 2. PINCH 2 expression was 3.4-fold higher in adult than in feta...

    Yun Liu, ** Liu, Jie Chen, Libo Cheng, Qinhong Cao, Li Zhu… in Molecular Biotechnology (2007)

  5. No Access

    Article

    Use of an anaerobic chamber environment for the assay of endogenous cellular protein-tyrosine phosphatase activities

    Protein-tyrosine phosphatases (PTPases) have a catalytic cysteine residue whose reduced state is integral to the reaction mechanism. Since exposure to air can artifactually oxidize this highly reactive thiol, ...

    Li Zhu, Barry Goldstein M.D., Ph.D. in Biological Procedures Online (2002)