Going back to the roots: the microbial ecology of the rhizosphere

Nature Reviews Microbiology, Journal Year: 2013, Volume and Issue: 11(11), P. 789 - 799

Published: Sept. 23, 2013

Language: Английский

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Belowground biodiversity and ecosystem functioning

Nature, Journal Year: 2014, Volume and Issue: 515(7528), P. 505 - 511

Published: Nov. 1, 2014

Language: Английский

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Plant Immunity to Insect Herbivores

Annual Review of Plant Biology, Journal Year: 2007, Volume and Issue: 59(1), P. 41 - 66

Published: Nov. 22, 2007

Herbivorous insects use diverse feeding strategies to obtain nutrients from their host plants. Rather than acting as passive victims in these interactions, plants respond herbivory with the production of toxins and defensive proteins that target physiological processes insect. Herbivore-challenged also emit volatiles attract insect predators bolster resistance future threats. This highly dynamic form immunity is initiated by recognition oral secretions signals injured plant cells. These initial cues are transmitted within signal transduction pathways include calcium ion fluxes, phosphorylation cascades, and, particular, jasmonate pathway, which plays a central conserved role promoting broad spectrum insects. A detailed understanding arthropod herbivores will provide new insights into basic mechanisms chemical communication plant-animal coevolution may facilitate approaches crop protection improvement.

Language: Английский

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The function of terpene natural products in the natural world

Nature Chemical Biology, Journal Year: 2007, Volume and Issue: 3(7), P. 408 - 414

Published: June 18, 2007

Language: Английский

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Mechanisms of plant defense against insect herbivores

Plant Signaling & Behavior, Journal Year: 2012, Volume and Issue: 7(10), P. 1306 - 1320

Published: Sept. 30, 2012

Plants respond to herbivory through various morphological, biochemicals, and molecular mechanisms counter/offset the effects of herbivore attack. The biochemical defense against herbivores are wide-ranging, highly dynamic, mediated both by direct indirect defenses. defensive compounds either produced constitutively or in response plant damage, affect feeding, growth, survival herbivores. In addition, plants also release volatile organic that attract natural enemies These strategies act independently conjunction with each other. However, our understanding these is still limited. Induced resistance could be exploited as an important tool for pest management minimize amounts insecticides used control. Host insects, particularly, induced resistance, can manipulated use chemical elicitors secondary metabolites, which confer insects. By we predict likely affected responses. responses sprayed on crop build up system damage caused engineered genetically, so challenged herbivory. developing cultivars, readily produce inducible upon mild infestation, one components integrated sustainable production.

Language: Английский

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Regulation and function of root exudates

Plant Cell & Environment, Journal Year: 2009, Volume and Issue: 32(6), P. 666 - 681

Published: Feb. 7, 2009

ABSTRACT Root‐secreted chemicals mediate multi‐partite interactions in the rhizosphere, where plant roots continually respond to and alter their immediate environment. Increasing evidence suggests that root exudates initiate modulate dialogue between soil microbes. For example, serve as signals symbiosis with rhizobia mycorrhizal fungi. In addition, maintain support a highly specific diversity of microbes rhizosphere given particular species, thus suggesting close evolutionary link. this review, we focus mainly on compiling information available regulation mechanisms exudation processes, provide some ideas related role shaping microbial communities.

Language: Английский

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Plant Defense Against Herbivores: Chemical Aspects

Annual Review of Plant Biology, Journal Year: 2012, Volume and Issue: 63(1), P. 431 - 450

Published: May 3, 2012

Plants have evolved a plethora of different chemical defenses covering nearly all classes (secondary) metabolites that represent major barrier to herbivory: Some are constitutive; others induced after attack. Many compounds act directly on the herbivore, whereas indirectly via attraction organisms from other trophic levels that, in turn, protect plant. An enormous diversity plant (bio)chemicals toxic, repellent, or antinutritive for herbivores types. Examples include cyanogenic glycosides, glucosinolates, alkaloids, and terpenoids; macromolecules comprise latex proteinase inhibitors. Their modes action membrane disruption, inhibition nutrient ion transport, signal transduction processes, metabolism, disruption hormonal control physiological processes. Recognizing herbivore challenge precise timing activities as well adaptive modulation plants' metabolism is important so energy may be efficiently allocated defensive activities.

Language: Английский

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Insect pathogens as biological control agents: Back to the future

Journal of Invertebrate Pathology, Journal Year: 2015, Volume and Issue: 132, P. 1 - 41

Published: July 27, 2015

Language: Английский

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Plant Volatiles: Recent Advances and Future Perspectives

Critical Reviews in Plant Sciences, Journal Year: 2006, Volume and Issue: 25(5), P. 417 - 440

Published: Sept. 19, 2006

Volatile compounds act as a language that plants use for their communication and interaction with the surrounding environment. To date, total of 1700 volatile have been isolated from more than 90 plant families. These volatiles, released leaves, flowers, fruits into atmosphere roots soil, defend against herbivores pathogens or provide reproductive advantage by attracting pollinators seed dispersers. Plant volatiles constitute about 1% secondary metabolites are mainly represented terpenoids, phenylpropanoids/benzenoids, fatty acid derivatives, amino derivatives. In this review we focus on functions biosynthesis regulation, metabolic engineering spectrum, which results in defense improvement changes scent aroma properties flowers fruits.

Language: Английский

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The evolutionary context for herbivore-induced plant volatiles: beyond the ‘cry for help’

Trends in Plant Science, Journal Year: 2010, Volume and Issue: 15(3), P. 167 - 175

Published: Jan. 5, 2010

Language: Английский

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