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188
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ShareScore release 0.9.0
Dataset results
188 results for “Betula pendula”
Betula pendula Roth (BR0000011604228)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011823148)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011822363)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000014447563)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011821809)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011822738)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Data for: Phytochemical shift from condensed tannins to flavonoids in transgenic Betula pendula decreases consumption and growth but improves growth efficiency of Epirrita autumnata larvae
<p>Despite active research, antiherbivore activity of specific plant phenolics remains largely unresolved. We constructed silver birch (<em>Betula pendula</em>) lines with modified phenolic metabolism to study the effects of foliar flavonoids and condensed tannins on consumption and growth of larvae of a generalist herbivore, the autumnal moth (<em>Epirrita autumnata</em>). We conducted a feeding experiment using birch lines in which expression of dihydroflavonol reductase (<em>DFR</em>), anthocyanidin synthase (<em>ANS</em>) or anthocyanidin reductase (<em>ANR</em>) had been decreased by RNA interference. Modification-specific effects on plant phenolics, nutrients and phenotype, and on larval consumption and growth were analyzed using uni- and multivariate methods. Inhibiting <em>DFR</em> expression increased the concentration of flavonoids at the expense of condensed tannins, and silencing <em>DFR </em>and <em>ANR </em>decreased leaf and plant size. <em>E. autumnata </em>larvae consumed on average 82% less of DFRi plants than of unmodified controls, suggesting that flavonoids or glandular trichomes deter larval feeding. However, larval growth efficiency was highest on low-tannin DFRi plants, indicating that condensed tannins (or their monomers) are physiologically more harmful than non-tannin flavonoids for <em>E. autumnata </em>larvae. Our results show that genetic manipulation of the flavonoid pathway in plants can effectively be used to produce altered phenolic profiles required for elucidating the roles of low-molecular weight phenolics and condensed tannins in plant–herbivore relationships, and suggest that phenolic secondary metabolites participate in regulation of plant growth.</p>
Data for: Phytochemical shift from condensed tannins to flavonoids in transgenic Betula pendula decreases consumption and growth but improves growth efficiency of Epirrita autumnata larvae
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Betula pendula Roth (BR0000011822172)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011822141)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011822837)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011823339)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011821847)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011823032)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000008683250)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011823063)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011821892)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000014435201)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011823278)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Betula pendula Roth (BR0000011823209)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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International Brain Laboratory public data
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OpenNeuro
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