Lingqiang Guan

Works (7)

Updated: July 5th, 2023 16:03

2002 article

Catalase gene expression in response to auxin‐mediated developmental signals

Guan, L. M., & Scandalios, J. G. (2002, February 1). Physiologia Plantarum.

By: L. Guan n & J. Scandalios n

topics (OpenAlex): Plant tissue culture and regeneration; Plant Stress Responses and Tolerance; Plant nutrient uptake and metabolism
TL;DR: The observed early induction of Cat-1 and the later increase of CAT-2 during the germination process may be due, in part, to changes in auxin content, as well as the involvement of ROS in the auxin response. (via Semantic Scholar)
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2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1998 article

Effects of the plant growth regulator abscisic acid and high osmoticum on the developmental expression of the maize catalase genes

Guan, L., & Scandalios, J. G. (1998, November 1). Physiologia Plantarum.

By: L. Guan n & J. Scandalios n

topics (OpenAlex): Plant Stress Responses and Tolerance; Plant nutrient uptake and metabolism
TL;DR: The data suggest that two separate pathways might be involved in the ABA-mediated induction of Cat1, and it is hypothesized that the increase in Cat gene products in response to ABA is due, in part, to A BA-mediated metabolic changes leading to changes in oxygen free radical levels, which in turn, lead to the induction of the antioxidant defense system. (via Semantic Scholar)
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2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1998 article

Two Structurally Similar Maize Cytosolic Superoxide Dismutase Genes,Sod4andSod4A, Respond Differentially to Abscisic Acid and High Osmoticum1

Guan, L., & Scandalios, J. G. (1998, May 1). PLANT PHYSIOLOGY.

By: L. Guan n & J. Scandalios n

MeSH headings : Abscisic Acid / genetics; Abscisic Acid / pharmacology; Animals; Base Sequence; Cytosol / enzymology; Genes, Plant / drug effects; Germination / drug effects; Isoenzymes / drug effects; Isoenzymes / genetics; Molecular Sequence Data; Mutation; Osmolar Concentration; Osmotic Pressure; Plant Leaves / drug effects; Plant Leaves / genetics; Plant Leaves / metabolism; Sequence Homology, Nucleic Acid; Superoxide Dismutase / drug effects; Superoxide Dismutase / genetics; Transcription, Genetic / drug effects; Zea mays / embryology; Zea mays / enzymology
topics (OpenAlex): Plant Stress Responses and Tolerance; Adipose Tissue and Metabolism; Plant responses to water stress
TL;DR: The data suggest that in leaves Sod4 and Sod4A may respond to ABA and osmotic stress via alternate pathways, and it is hypothesize that the increase in Sod mRNA in response to Aba is due in part to A BA-mediated metabolic changes leading to changes in oxygen free radical levels, which in turn lead to the induction of the antioxidant defense system. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1996 article

Isolation, characterization and expression of the maize Cat2 catalase gene

Guan, L., Polidoros, A. N., & Scandalios, J. G. (1996, March 1). Plant Molecular Biology.

By: L. Guan*, A. Polidoros  n & J. Scandalios n

author keywords: catalase; gene expression; gene structure; isozyme; reactive oxygen
MeSH headings : Amino Acid Sequence; Base Sequence; Catalase / genetics; DNA, Complementary; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Plant; Introns; Molecular Sequence Data; Polymerase Chain Reaction; Zea mays / genetics; Zea mays / metabolism
topics (OpenAlex): Plant-Microbe Interactions and Immunity; Plant Stress Responses and Tolerance; CRISPR and Genetic Engineering
TL;DR: complex regulatory mechanisms appear to be involved in the regulation of Cat2 expression in maize and the identical positioning of these introns suggests an evolutionary link between all three maize catalase genes. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1996 article

Molecular evolution of maize catalases and their relationship to other eukaryotic and prokaryotic catalases

Guan, L., & Scandalios, J. G. (1996, May 1). Journal of Molecular Evolution.

By: L. Guan n & J. Scandalios n

author keywords: evolution; catalase; phylogenetic tree, Zea mays L; isozyme; antioxidant genes; gene structure; oxidative stress
MeSH headings : Catalase / genetics; Edible Grain / enzymology; Edible Grain / genetics; Eukaryotic Cells / enzymology; Evolution, Molecular; Fabaceae / enzymology; Fabaceae / genetics; Humans; Molecular Sequence Data; Plant Proteins / genetics; Plants, Medicinal; Plants, Toxic; Prokaryotic Cells / enzymology; Sequence Alignment; Sequence Homology, Amino Acid; Species Specificity; Tobacco / enzymology; Tobacco / genetics; Zea mays / enzymology; Zea mays / genetics
topics (OpenAlex): Enzyme-mediated dye degradation; GABA and Rice Research; Plant-Microbe Interactions and Immunity
TL;DR: Phylogenies based on distances and parsimony analysis show that all plant catalases derive from a common ancestral catalase gene and can be divided into three distinct groups, including a monocot-specific catalasing class including the maize Cat3, barley Cat2, and riceCatA. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
3. Good Health and Well-being (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1993 article

Characterization of the catalase antioxidant defense gene Cat1 of maize, and its developmentally regulated expression in transgenic tobacco

Guan, L., & Scandalios, J. G. (1993, April 1). The Plant Journal.

By: L. Guan n & J. Scandalios n

MeSH headings : Amino Acid Sequence; Base Sequence; Catalase / genetics; DNA, Complementary; Free Radicals; Gene Expression Regulation; Genes, Reporter; Genomic Library; Glucuronidase / biosynthesis; Glucuronidase / genetics; Hydrogen Peroxide / metabolism; Introns / genetics; Molecular Sequence Data; Oxygen / metabolism; Plants, Genetically Modified; Plants, Toxic; Promoter Regions, Genetic / genetics; Recombinant Fusion Proteins / biosynthesis; Restriction Mapping; Seeds / metabolism; Sequence Analysis, DNA; Tobacco / genetics; Transcription, Genetic; Zea mays / genetics
topics (OpenAlex): Plant tissue culture and regeneration; Transgenic Plants and Applications; Insect Resistance and Genetics
TL;DR: In transgenic tobacco, the Cat1 promoter can drive GUS expression at relatively high levels in mature seeds, and low levels of GUS activity can be detected in pollen, which corresponds to theCat1 expression pattern observed in maize. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
3. Good Health and Well-being (OpenAlex)
13. Climate Action (Web of Science)
Source: NC State University Libraries
Added: August 6, 2018

1991 article

Comparison of the Cat2 Complementary DNA Sequences of a Normal Catalase Activity Line (W64A) and a High Catalase Activity Line (R6-67) of Maize

Guan, L., Ruzsa, S., Skadsen, R. W., & Scandalios, J. G. (1991, August 1). PLANT PHYSIOLOGY.

By: L. Guan n, S. Ruzsa, R. Skadsen & J. Scandalios

topics (OpenAlex): Plant Stress Responses and Tolerance; Plant Genetic and Mutation Studies; GABA and Rice Research
TL;DR: This clone has an open reading frame encoding a 492-amino acid polypeptide that is almost identical with another Cat2 cDNA clone from maize line R6-67 (high catalase activity line) (1). (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

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