Results 21 to 30 of about 3,494 (200)

Consequences of toxic secondary compounds in nectar for mutualist bees and antagonist butterflies [PDF]

, 2016
Attraction of mutualists and defense against antagonists are critical challenges for most organisms and can be especially acute for plants with pollinating and non?pollinating flower visitors.
Agrawal, Anurag A., Jones, Patricia L.
core   +2 more sources

Arbuscular mycorrhizal fungi alter above- and below-ground chemical defense expression differentially among Asclepias species

Frontiers in Plant Science, 2013
Belowground symbionts of plants can have substantial influence on plant growth and nutrition. Recent work demonstrates that mycorrhizal fungi can affect plant resistance to herbivory and the performance of above and belowground herbivores. Although these
Rachel L Vannette, Rachel L Vannette, Mark D. Hunter, Sergio eRasmann   +3 more
doaj   +1 more source

Unraveling the roles of genotype and environment in the expression of plant defense phenotypes

Ecology and Evolution, 2021
Phenotypic variability results from interactions between genotype and environment and is a major driver of ecological and evolutionary interactions. Measuring the relative contributions of genetic variation, the environment, and their interaction to ...
Abigail S. Potts, Mark D. Hunter
doaj   +1 more source

New Cardenolides from Biotransformation of Gitoxigenin by the Endophytic Fungus Alternaria eureka 1E1BL1: Characterization and Cytotoxic Activities

Molecules, 2021
Microbial biotransformation is an important tool in drug discovery and for metabolism studies. To expand our bioactive natural product library via modification and to identify possible mammalian metabolites, a cytotoxic cardenolide (gitoxigenin) was ...
Erdal Bedir, Çiğdem Karakoyun, Gamze Doğan, Gülten Kuru, Melis Küçüksolak, Hasan Yusufoğlu   +5 more
doaj   +1 more source

Mycorrhizal abundance affects the expression of plant resistance traits and herbivore performance [PDF]

, 2013
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/98805/1/jec12111 ...
Heijden, Marcel, Hunter, Mark D., Vannette, Rachel L.   +2 more
core   +1 more source

High-resolution tandem mass spectrometry dataset reveals fragmentation patterns of cardiac glycosides in leaves of the foxglove plants

Data in Brief, 2020
Cardiac glycosides, steroid derivatives extracted from the foxglove plants, have been used for the treatment of heart failure since the 18th century. A method based on liquid chromatography coupled with high-resolution tandem mass spectrometry (LC/MS2 ...
Baradwaj Gopal Ravi, Mary Grace E. Guardian, Rebecca Dickman, Zhen Q. Wang   +3 more
doaj   +1 more source

Does anthropogenic nitrogen deposition induce phosphorus limitation in herbivorous insects? [PDF]

, 2012
Anthropogenic nitrogen deposition has shifted many ecosystems from nitrogen ( N ) limitation to phosphorus ( P ) limitation. Although well documented in plants, no study to date has explored whether N deposition exacerbates P limitation at ...
Aber, Bertram, Bobbink, Boersma, Bryant, Burnham, Clancy, Cornelissen, Cross, Elser, Elser, Emon, Fagan, Feller, Fischer, Frost, Galloway, Gershenzon, Haddad, Hall, Harborne, Herms, Hidaka, Hillebrand, Huberty, Jones, Karban, Koricheva, Levin, Lightfoot, Mattson, Mooney, Morecroft, Pennings, Perkins, Persson, Peuke, Peñuelas, Plaxton, Raubenheimer, Reich, Reich, Sardans, Seiber, Siemann, Simpson, Speight, Sterner, Sterner, Strauss, Tao, Throop, Vannette, Vannette, Vitousek, Vitousek, Warren, Watts, White, Woods, Woods, Zalucki, Zehnder   +62 more
core   +1 more source

Host plant specificity of the monarch butterfly Danaus plexippus: A systematic review and meta-analysis.

PLoS ONE, 2022
The preference-performance hypothesis explains host specificity in phytophagous insects, positing that host plants chosen by adults confer the greatest larval fitness. However, adults sometimes oviposit on plants supporting low larval success because the
Lewis Greenstein, Christen Steele, Caz M Taylor   +2 more
doaj   +2 more sources

Two New Cyototoxic Cardenolides from the Whole Plants of Adonis multiflora Nishikawa & Koki Ito

Molecules, 2015
A phytochemical investigation of the whole plants of Adonis multiflora Nishikawa & Koki Ito. resulted in the isolation and identification of two new cardenolides—adonioside A (1) and adonioside B (6)—as well as four known cardenolides: tupichinolide (
Jae-Woo Jung, Nam-In Baek, Jeon Hwang-Bo, Seung-Su Lee, Ji-Hae Park, Kyeong-Hwa Seo, Jung-Hwa Kwon, Eun-Ji Oh, Dae-Young Lee, In-Sik Chung, Myun-Ho Bang   +10 more
doaj   +1 more source

A Novel Cardenolide Glycoside Isolated from Xysmalobium undulatum Reduces Levels of the Alzheimer’s Disease-Associated β-Amyloid Peptides Aβ42 In Vitro

Pharmaceuticals, 2021
Elevated levels of the amylo β-proteins (Aβ), particularly Aβ42, are associated with a high risk of Alzheimer’s disease (AD). The Aβ proteins are produced from cellular processing of the amyloid precursor proteins (APPs).
Anuradha Thakur, Phanankosi Moyo, Carl Johan van der Westhuizen, Hyun Ok Yang, Vinesh Maharaj   +4 more
doaj   +1 more source