Search Results - "Six, Diana"

The Bark Beetle Holobiont: Why Microbes Matter by Six, Diana L.

“…All higher organisms are involved in symbioses with microbes. The importance of these partnerships has led to the concept of the holobiont, defined as the…”
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A major symbiont shift supports a major niche shift in a clade of tree‐killing bark beetles by Six, Diana L.

“…1. One small clade of bark beetles, out of thousands of species worldwide, has shifted from using phloem to using a combination of phloem and outer bark, or to…”
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Role of Phytopathogenicity in Bark Beetle–Fungus Symbioses: A Challenge to the Classic Paradigm by Six, Diana L, Wingfield, Michael J

“…The idea that phytopathogenic fungi associated with tree-killing bark beetles are critical for overwhelming tree defenses and incurring host tree mortality,…”
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Ecological and Evolutionary Determinants of Bark Beetle -Fungus Symbioses by Six, Diana L

“…Ectosymbioses among bark beetles (Curculionidae, Scolytinae) and fungi (primarily ophiostomatoid Ascomycetes) are widespread and diverse. Associations range…”
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Bark Beetle Population Dynamics in the Anthropocene: Challenges and Solutions by Biedermann, Peter H.W., Müller, Jörg, Grégoire, Jean-Claude, Gruppe, Axel, Hagge, Jonas, Hammerbacher, Almuth, Hofstetter, Richard W., Kandasamy, Dineshkumar, Kolarik, Miroslav, Kostovcik, Martin, Krokene, Paal, Sallé, Aurélien, Six, Diana L., Turrini, Tabea, Vanderpool, Dan, Wingfield, Michael J., Bässler, Claus

“…Tree-killing bark beetles are the most economically important insects in conifer forests worldwide. However, despite >200 years of research, the drivers of…”
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Niche construction theory can link bark beetle-fungus symbiosis type and colonization behavior to large scale causal chain-effects by Six, Diana L

“…•Bark beetles are among the most influential biotic forces in conifer forests.•Their behavior ranges from aggressive tree-killing to parasitism of live…”
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Distribution and taxonomic reclassification of the mycangial fungus of the fir engraver, Scolytus ventralis by Six, Diana L., Livingston, R. Ladd

“…The fir engraver, Scolytus ventralis , is a bark beetle that infests true firs ( Abies ) in western North America. The beetle is known to carry a symbiotic…”
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Are Survivors Different? Genetic-Based Selection of Trees by Mountain Pine Beetle During a Climate Change-Driven Outbreak in a High-Elevation Pine Forest by Six, Diana L, Vergobbi, Clare, Cutter, Mitchell

“…Increased mortality of forest trees, driven directly or indirectly by climate change, is occurring around the world. In western North America, whitebark pine,…”
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Fidelity or love the one you're with? Biotic complexity and tradeoffs can drive strategy and specificity in beetle‐fungus by‐product mutualisms by Six, Diana L., Biedermann, Peter H. W.

“…By‐product mutualisms are ubiquitous yet seldom considered in models of mutualism. Most models represent conditional mutualisms that shift between mutualism…”
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Context Dependency in Bark Beetle-Fungus Mutualisms Revisited: Assessing Potential Shifts in Interaction Outcomes Against Varied Genetic, Ecological, and Evolutionary Backgrounds by Six, Diana L., Klepzig, Kier D.

“…Context dependency occurs when biological interactions shift in sign or magnitude depending upon genetic, abiotic, and biotic context. Most models of mutualism…”
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Extreme ecological stoichiometry of a bark beetle–fungus mutualism by Six, Diana L., Elser, James J.

“…1. Ecological stoichiometry theory was applied to investigate how a consumer contends with an extreme elemental mismatch between its food and its body via…”
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Mutualism is not restricted to tree‐killing bark beetles and fungi: the ecological stoichiometry of secondary bark beetles, fungi, and a scavenger by Six, Diana L., Elser, James J.

“…1. All bark beetles are in symbiosis with fungi. Although obligate mutualisms with fungi are common with tree‐killing bark beetles (primaries), fungi…”
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Management for Mountain Pine Beetle Outbreak Suppression: Does Relevant Science Support Current Policy? by Diana L. Six, Eric Biber, Elisabeth Long

“…While the use of timber harvests is generally accepted as an effective approach to controlling bark beetles during outbreaks, in reality there has been a…”
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Paired acoustic recordings and point count surveys reveal Clark's nutcracker and whitebark pine associations across Glacier National Park by Kovalenko, Vladimir, Doser, Jeffrey W., Bate, Lisa J., Six, Diana L.

“…Global declines in tree populations have led to dramatic shifts in forest ecosystem composition, biodiversity, and functioning. These changes have consequences…”
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Water, not carbon, drives drought-constraints on stem terpene defense against simulated bark beetle attack in Pinus edulis by Malone, Shealyn C, Thompson, R Alex, Chow, Pak S, de Oliveira, Jr, Celso R, Landhäusser, Simon M, Six, Diana L, McCulloh, Katherine A, Adams, Henry D, Trowbridge, Amy M

“…Drought predisposes forest trees to bark beetle-induced mortality, but the physiological mechanisms remain unclear. While drought-induced water and carbon…”
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Broadscale Specificity in a Bark Beetle–Fungal Symbiosis: a Spatio-temporal Analysis of the Mycangial Fungi of the Western Pine Beetle by Bracewell, Ryan R, Six, Diana L

“…Whether and how mutualisms are maintained through ecological and evolutionary time is a seldom studied aspect of bark beetle–fungal symbioses. All bark beetles…”
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Climate change and mutualism by Six, Diana L

“…Climate change is likely to have a profound impact on the distribution of life on this planet. As Diana Six explains, mutualistic relationships will be…”
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Effects of Temperature on Growth, Sporulation, and Competition of Mountain Pine Beetle Fungal Symbionts by Moore, Melissa L, Six, Diana L

“…The mountain pine beetle, Dendroctonus ponderosae, depends on two fungi, Grosmannia clavigera and Ophiostoma montium, to augment a nutrient-poor woody food…”
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Nutrient-Poor Breeding Substrates of Ambrosia Beetles Are Enriched With Biologically Important Elements by Lehenberger, Maximilian, Foh, Nina, Göttlein, Axel, Six, Diana, Biedermann, Peter H W

“…Fungus-farming within galleries in the xylem of trees has evolved independently in at least twelve lineages of weevils (Curculionidae: Scolytinae,…”
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EVOLUTION OF AGRICULTURE IN INSECTS by Mueller, U.G, Gerardo, N.M, Aanen, D.K, Six, D.L, Schultz, T.R

“…Agriculture has evolved independently in three insect orders: once in ants, once in termites, and seven times in ambrosia beetles. Although these insect…”
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