Search Results - "Nielsen, Jens Kvist"

UDP-Glycosyltransferases from the UGT73C Subfamily in Barbarea vulgaris Catalyze Sapogenin 3-O-Glucosylation in Saponin-Mediated Insect Resistance by Augustin, Jörg M., Drok, Sylvia, Shinoda, Tetsuro, Sanmiya, Kazutsuka, Nielsen, Jens Kvist, Khakimov, Bekzod, Olsen, Carl Erik, Hansen, Esben Halkjær, Kuzina, Vera, Ekstrøm, Claus Thorn, Hauser, Thure, Bak, Søren

“…Triterpenoid saponins are bioactive metabolites that have evolved recurrently in plants, presumably for defense. Their biosynthesis is poorly understood, as is…”
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Barbarea vulgaris linkage map and quantitative trait loci for saponins, glucosinolates, hairiness and resistance to the herbivore Phyllotreta nemorum by Kuzina, Vera, Nielsen, Jens Kvist, Augustin, Jörg Manfred, Torp, Anna Maria, Bak, Søren, Andersen, Sven Bode

“…Molecular mechanisms behind Barbarea vulgaris resistance towards flea beetles with focus on saponin involvement in the resistance. [Display omitted] ► Barbarea…”
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Genetics of resistance against defences of the host plant Barbarea vulgaris in a Danish flea beetle population by de Jong, Peter W., Frandsen, Hanne O., Rasmussen, Lena, Kvist Nielsen, Jens

“…) to use the crucifer…”
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Glucosinolates, flea beetle resistance, and leaf pubescence as taxonomic characters in the genus Barbarea (Brassicaceae) by Agerbirk, Niels, Ørgaard, Marian, Nielsen, Jens Kvist

“…The pubescent P-type of Barbarea vulgaris differed in flea beetle resistance and in several glucosinolate biosynthetic characters from the glabrous G-type. The…”
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Genetic Differentiation between Resistance Phenotypes in the Phytophagous Flea Beetle, Phyllotreta nemorum by de Jong, Peter W., Breuker, Casper J., Vos, Helene de, Vermeer, Kim M.C.A, Oku, Keiko, Verbaarschot, Patrick, Nielsen, Jens Kvist, Brakefield, Paul M.

“…The flea beetle Phyllotreta nemorum L. (Coleoptera: Chrysomelidae) is genetically polymorphic for resistance against the defences of one of its host plants,…”
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Non-random segregation of an autosomal gene in males of the flea beetle, Phyllotreta nemorum: implications for colonization of a novel host plant by Nielsen, Jens Kvist

“…The flea beetle, Phyllotreta nemorum (L.) (Coleoptera: Chrysomelidae: Alticinae), is currently expanding its host plant range in Europe. The ability to utilize…”
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Polymorphism in a flea beetle for the ability to use an atypical host plant by Jong, P.W. de, Nielsen, J.K

“…exists in most populations in eastern Denmark, it is usually at a low frequency. Beetles collected on…”
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Identification of Defense Compounds in Barbarea vulgaris against the Herbivore Phyllotreta nemorum by an Ecometabolomic Approach by Kuzina, Vera, Ekstrøm, Claus Thorn, Andersen, Sven Bode, Nielsen, Jens Kvist, Olsen, Carl Erik, Bak, Søren

“…Winter cress (Barbarea vulgaris) is resistant to a range of insect species. Some B. vulgaris genotypes are resistant, whereas others are susceptible, to…”
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Polymorphism for Novel Tetraglycosylated Flavonols in an Eco-model Crucifer, Barbarea vulgaris by Dalby-Brown, Lea, Olsen, Carl Erik, Nielsen, Jens Kvist, Agerbirk, Niels

“…Nineteen apparent flavonoids were determined by HPLC-DAD in foliage of a chemotype (G-type) of Barbarea vulgaris, and four were isolated. Two were novel…”
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Genetic diversity and similarity in the Barbarea vulgaris complex (Brassicaceae) by Toneatto, Fiorello, Hauser, Thure P., Nielsen, Jens Kvist, Ørgaard, Marian

“…Two subspecies of Barbarea vulgaris are taxonomically recognized as ssp. vulgaris and ssp. arcuata. In addition, two types of Barbarea vulgaris ssp. arcuata…”
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Identification of Defense Compounds in Barbaren vulgaris against the Herbivore Phyllotreta nemorum by an Ecometabolomic Approach by Kuzina, Vera, Ekstrøm, Claus Thorn, Andersen, Sven Bode, Nielsen, Jens Kvist, Olsen, Carl Erik, Bak, Søren

“…Winter cress (Barbaren vulgaris) is resistant to a range of insect species. Some B. vulgaris genotypes are resistant, whereas others are susceptible, to…”
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Identification of Defense Compounds in Barbarea vulgaris against the Herbivore Phyllotreta nemorum by an Ecometabolomic Approach1[W] by Kuzina, Vera, Ekstrøm, Claus Thorn, Andersen, Sven Bode, Nielsen, Jens Kvist, Olsen, Carl Erik, Bak, Søren

“…Winter cress (Barbarea vulgaris) is resistant to a range of insect species. Some B. vulgaris genotypes are resistant, whereas others are susceptible, to…”
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UDP-Glycosyltransferases from the UGT73C Subfamily in Barbarea vulgaris Catalyze Sapogenin 3-O-Glucosylation in Saponin-Mediated Insect Resistance1[W][OA] by Augustin, Jörg M., Drok, Sylvia, Shinoda, Tetsuro, Sanmiya, Kazutsuka, Nielsen, Jens Kvist, Khakimov, Bekzod, Olsen, Carl Erik, Hansen, Esben Halkjær, Kuzina, Vera, Ekstrøm, Claus Thorn, Hauser, Thure, Bak, Søren

“…Triterpenoid saponins are bioactive metabolites that have evolved recurrently in plants, presumably for defense. Their biosynthesis is poorly understood, as is…”
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Erratum to “Glucosinolates, flea beetle resistance, and leaf pubescence as taxonomic characters in the genus Barbarea (Brassicaceae)”[Phytochemistry 63 (2003) 69–80] by Agerbirk, Niels, Ørgaard, Marian, Nielsen, Jens Kvist

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1,4-Dimethoxyglucobrassicin in Barbarea and 4-Hydroxyglucobrassicin in Arabidopsis and Brassica by Agerbirk, Niels, Petersen, Bent Larsen, Olsen, Carl Erik, Halkier, Barbara Ann, Nielsen, Jens Kvist

“…A novel indole glucosinolate, 1,4-dimethoxyglucobrassicin (1,4-dimethoxyindol-3-ylmethylglucosinolate), was isolated as the desulfo derivative from roots of…”
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Flavonoids from cabbage are feeding stimulants for diamondback moth larvae additional to glucosinolates: Chemoreception and behaviour by Loon, J.J.A. van, Zhu Wang, C, Kvist Nielsen, J, Gols, R, Tong Qiu, Y

“…In caterpillars two styloconic contact chemoreceptors on the maxillary galea are assumed to contain the main taste receptors involved in host plant selection…”
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Reduction in fitness of lead beetles which are homozygous for an autosomal gene conferring resistance to defences in Barbarea vulgaris by de Jong, Peter W, Jens Kvist Nielsen

“…Major resistance genes are present in Danish flea beetle (Phyllotreta nemorum) populations, enabling the beetles to utilize a defended plant, Barbarea vulgaris…”
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Host plant use of Phyllotreta nemorum: do coadapted gene complexes play a role? by Jong, P.W. de, Kvist Nielsen, J

“…The view of (insect) populations as assemblages of local subpopulations connected by gene flow is gaining ground. In such structured populations, local…”
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Reduction in fitness of flea beetles which are homozygous for an autosomal gene conferring resistance to defences in Barbarea vulgaris by De Jong, Peter W., Nielsen, Jens Kvist

“…Major resistance genes are present in Danish flea beetle (Phyllotreta nemorum) populations, enabling the beetles to utilize a defended plant, Barbarea vulgaris…”
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Variation in defences of the plant Barbarea vulgaris and in counteradaptations by the flea beetle Phyllotreta nemorum by Nielsen, J.K. (Royal Veterinary and Agricultural Univ., Frederiksberg (Denmark). Dept. of Chemistry)

“…Several sorts of variation in the interaction between the insect, Phyllotreta nemorum L. (Coleoptera:Chrysomelidae:Alticinae), and the plant, Barbarea vulgaris…”
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