Works by Keefover-Ring, Ken

Results: 42

A New cis-Sabinene Hydrate Chemotype Detected in Large Thyme (Thymus pulegioides L.) Growing Wild in Denmark.

Published in:

Journal of Essential Oil Research, 2008, v. 20, n. 1, p. 40, doi. 10.1080/10412905.2008.9699417

By:

Groendahl, Eva;
Ehlers, Bodil K.;
Keefover-Ring, Ken

Publication type:

Article

Home on the (expanding) range: evaluating the effectiveness of a novel host's induced defenses against the mountain pine beetle-fungal complex.

Published in:

Tree Physiology, 2017, v. 37, n. 12, p. 1593, doi. 10.1093/treephys/tpx122

By:

Trowbridge, Amy M.;
Keefover-Ring, Ken

Publication type:

Article

Trait plasticity and trade‐offs shape intra‐specific variation in competitive response in a foundation tree species.

Published in:

New Phytologist, 2021, v. 230, n. 2, p. 710, doi. 10.1111/nph.17166

By:

Cope, Olivia L.;
Lindroth, Richard L.;
Helm, Andrew;
Keefover‐Ring, Ken;
Kruger, Eric L.

Publication type:

Article

Phylogenomics of the genus Populus reveals extensive interspecific gene flow and balancing selection.

Published in:

New Phytologist, 2020, v. 225, n. 3, p. 1370, doi. 10.1111/nph.16215

By:

Wang, Mingcheng;
Zhang, Lei;
Zhang, Zhiyang;
Li, Mengmeng;
Wang, Deyan;
Zhang, Xu;
Xi, Zhenxiang;
Keefover‐Ring, Ken;
Smart, Lawrence B.;
DiFazio, Stephen P.;
Olson, Matthew S.;
Yin, Tongming;
Liu, Jianquan;
Ma, Tao

Publication type:

Article

Metagenomics Reveals Diet-Specific Specialization of Bacterial Communities in Fungus Gardens of Grass- and Dicot-Cutter Ants.

Published in:

Frontiers in Microbiology, 2020, v. 11, p. N.PAG, doi. 10.3389/fmicb.2020.570770

By:

Khadempour, Lily;
Fan, Huan;
Keefover-Ring, Ken;
Carlos-Shanley, Camila;
Nagamoto, Nilson S.;
Dam, Miranda A.;
Pupo, Monica T.;
Currie, Cameron R.

Publication type:

Article

ONGOING ADAPTATION TO MEDITERRANEAN CLIMATE EXTREMES IN A CHEMICALLY POLYMORPHIC PLANT.

Published in:

Ecological Monographs, 2007, v. 77, n. 3, p. 421, doi. 10.1890/06-1973.1

By:

Thompson, John D.;
Gauthier, Perrine;
Amiot, Justin;
Ehlers, Bodil K.;
Collin, Christian;
Fossat, Julia;
Barrios, Violeta;
Arnaud-Miramont, Francoids;
Keefover-Ring, Ken;
Linhart, Yan B.

Publication type:

Article

Genetic mapping of sexually dimorphic volatile and non-volatile floral secondary chemistry of a dioecious willow.

Published in:

Journal of Experimental Botany, 2022, v. 73, n. 18, p. 6352, doi. 10.1093/jxb/erac260

By:

Keefover-Ring, Ken;
Carlson, Craig H;
Hyden, Brennan;
Azeem, Muhammad;
Smart, Lawrence B

Publication type:

Article

Population‐specific responses of floral volatiles to abiotic factors in changing environments.

Published in:

American Journal of Botany, 2022, v. 109, n. 5, p. 676, doi. 10.1002/ajb2.1846

By:

Keefover‐Ring, Ken;
Hetherington, Matthew C.;
Brunet, Johanne

Publication type:

Article

Growth and chemical responses of trembling aspen to simulated browsing and ungulate saliva.

Published in:

Journal of Plant Ecology, 2016, v. 9, n. 4, p. 474, doi. 10.1093/jpe/rtv072

By:

Keefover-Ring, Ken;
Rubert-Nason, Kennedy F.;
Bennett, Alison E.;
Lindroth, Richard L.

Publication type:

Article

A General Model to Explain Repeated Turnovers of Sex Determination in the Salicaceae.

Published in:

Molecular Biology & Evolution, 2021, v. 38, n. 3, p. 968, doi. 10.1093/molbev/msaa261

By:

Yang, Wenlu;
Wang, Deyan;
Li, Yiling;
Zhang, Zhiyang;
Tong, Shaofei;
Li, Mengmeng;
Zhang, Xu;
Zhang, Lei;
Ren, Liwen;
Ma, Xinzhi;
Zhou, Ran;
Sanderson, Brian J;
Keefover-Ring, Ken;
Yin, Tongming;
Smart, Lawrence B;
Liu, Jianquan;
DiFazio, Stephen P;
Olson, Matthew;
Ma, Tao

Publication type:

Article

Sexual and genotypic variation in terpene quantitative and qualitative profiles in the dioecious shrub Baccharis salicifolia.

Published in:

Scientific Reports, 2019, v. 9, n. 1, p. N.PAG, doi. 10.1038/s41598-019-51291-w

By:

Moreira, Xoaquín;
Abdala-Roberts, Luis;
Nell, Colleen S.;
Vázquez-González, Carla;
Pratt, Jessica D.;
Keefover-Ring, Ken;
Mooney, Kailen A.

Publication type:

Article

Intraspecific correlations between growth and defence vary with resource availability and differ within and among populations.

Published in:

Functional Ecology, 2021, v. 35, n. 11, p. 2387, doi. 10.1111/1365-2435.13878

By:

Hahn, Philip G.;
Keefover‐Ring, Ken;
Nguyen, Linh M. N.;
Maron, John L.

Publication type:

Article

Spatial and temporal components of induced plant responses in the context of herbivore life history and impact on host.

Published in:

Functional Ecology, 2017, v. 31, n. 11, p. 2034, doi. 10.1111/1365-2435.12911

By:

Mason, Charles J.;
Villari, Caterina;
Keefover-Ring, Ken;
Jagemann, Stephanie;
Zhu, Jun;
Bonello, Pierluigi;
Raffa, Kenneth F.

Publication type:

Article

Repeated turnovers keep sex chromosomes young in willows.

Published in:

Genome Biology, 2022, v. 23, n. 1, p. 1, doi. 10.1186/s13059-022-02769-w

By:

Wang, Deyan;
Li, Yiling;
Li, Mengmeng;
Yang, Wenlu;
Ma, Xinzhi;
Zhang, Lei;
Wang, Yubo;
Feng, Yanlin;
Zhang, Yuanyuan;
Zhou, Ran;
Sanderson, Brian J.;
Keefover-Ring, Ken;
Yin, Tongming;
Smart, Lawrence B.;
DiFazio, Stephen P.;
Liu, Jianquan;
Olson, Matthew;
Ma, Tao

Publication type:

Article

Drought-Mediated Changes in Tree Physiological Processes Weaken Tree Defenses to Bark Beetle Attack.

Published in:

Journal of Chemical Ecology, 2019, v. 45, n. 10, p. 888, doi. 10.1007/s10886-019-01105-0

By:

Kolb, Thomas;
Keefover-Ring, Ken;
Burr, Stephen J.;
Hofstetter, Richard;
Gaylord, Monica;
Raffa, Kenneth F.

Publication type:

Article

Rapid Induction of Multiple Terpenoid Groups by Ponderosa Pine in Response to Bark Beetle-Associated Fungi.

Published in:

Journal of Chemical Ecology, 2016, v. 42, n. 1, p. 1, doi. 10.1007/s10886-015-0659-6

By:

Keefover-Ring, Ken;
Trowbridge, Amy;
Mason, Charles;
Raffa, Kenneth

Publication type:

Article

Bacteria Associated with a Tree-Killing Insect Reduce Concentrations of Plant Defense Compounds.

Published in:

Journal of Chemical Ecology, 2013, v. 39, n. 7, p. 1003, doi. 10.1007/s10886-013-0313-0

By:

Boone, Celia;
Keefover-Ring, Ken;
Mapes, Abigail;
Adams, Aaron;
Bohlmann, Jörg;
Raffa, Kenneth

Publication type:

Article

Patterns of Phytochemical Variation in Mimulus guttatus (Yellow Monkeyflower).

Published in:

Journal of Chemical Ecology, 2013, v. 39, n. 4, p. 525, doi. 10.1007/s10886-013-0270-7

By:

Holeski, Liza;
Keefover-Ring, Ken;
Bowers, M.;
Harnenz, Zoe;
Lindroth, Richard

Publication type:

Article

Beyond six scents: defining a seventh Thymus vulgaris chemotype new to southern France by ethanol extraction.

Published in:

Flavour & Fragrance Journal, 2009, v. 24, n. 3, p. 117, doi. 10.1002/ffj.1921

By:

Keefover-Ring, Ken;
Thompson, John D.;
Linhart, Yan B.

Publication type:

Article

Cover Image.

Published in:

Plant, Cell & Environment, 2021, v. 44, n. 12, p. i, doi. 10.1111/pce.14234

By:

Erbilgin, Nadir;
Zanganeh, Leila;
Klutsch, Jennifer G.;
Chen, Shih‐hsuan;
Zhao, Shiyang;
Ishangulyyeva, Guncha;
Burr, Stephen J.;
Gaylord, Monica;
Hofstetter, Richard;
Keefover‐Ring, Ken;
Raffa, Kenneth F.;
Kolb, Thomas

Publication type:

Article

Combined drought and bark beetle attacks deplete non‐structural carbohydrates and promote death of mature pine trees.

Published in:

Plant, Cell & Environment, 2021, v. 44, n. 12, p. 3636, doi. 10.1111/pce.14197

By:

Erbilgin, Nadir;
Zanganeh, Leila;
Klutsch, Jennifer G.;
Chen, Shih‐hsuan;
Zhao, Shiyang;
Ishangulyyeva, Guncha;
Burr, Stephen J.;
Gaylord, Monica;
Hofstetter, Richard;
Keefover‐Ring, Ken;
Raffa, Kenneth F.;
Kolb, Thomas

Publication type:

Article

Anatomical defences against bark beetles relate to degree of historical exposure between species and are allocated independently of chemical defences within trees.

Published in:

Plant, Cell & Environment, 2019, v. 42, n. 2, p. 633, doi. 10.1111/pce.13449

By:

Mason, Charles J.;
Keefover‐Ring, Ken;
Villari, Caterina;
Klutsch, Jennifer G.;
Cook, Stephen;
Bonello, Pierluigi;
Erbilgin, Nadir;
Raffa, Kenneth F.;
Townsend, Philip A.

Publication type:

Article

Bergamot versus beetle: evidence for intraspecific chemical specialization.

Published in:

AoB Plants, 2015, v. 7, p. 1, doi. 10.1093/aobpla/plv132

By:

Keefover-Ring, Ken

Publication type:

Article

Evidence for hawkmoth pollination in the chiropterophilous African baobab (Adansonia digitata).

Published in:

Biotropica, 2022, v. 54, n. 1, p. 113, doi. 10.1111/btp.13033

By:

Karimi, Nisa;
Saghafi, Samuel;
Keefover‐Ring, Ken;
Venter, Sarah M.;
Ané, Cécile;
Baum, David A.

Publication type:

Article

Intraspecific phytochemical diversity increases with productivity but has mixed effects on herbivory.

Published in:

Oikos, 2025, v. 2025, n. 3, p. 1, doi. 10.1111/oik.10914

By:

Calixto, Eduardo S.;
Maron, John L.;
Keefover‐Ring, Ken;
Cammarano, Joseph H.;
Hahn, Philip G.

Publication type:

Article

Relationships between conifer constitutive and inducible defenses against bark beetles change across levels of biological and ecological scale.

Published in:

Oikos, 2020, v. 129, n. 7, p. 1093, doi. 10.1111/oik.07242

By:

Howe, Michael;
Mason, Charles J.;
Gratton, Claudio;
Keefover‐Ring, Ken;
Wallin, Kimberly;
Yanchuk, Alvin;
Zhu, Jun;
Raffa, Kenneth F.

Publication type:

Article

Genetically based latitudinal variation in Artemisia californica secondary chemistry.

Published in:

Oikos, 2014, v. 123, n. 8, p. 953, doi. 10.1111/oik.01156

By:

Pratt, Jessica D.;
Keefover‐Ring, Ken;
Liu, Lawrence Y.;
Mooney, Kailen A.

Publication type:

Article

The Cost of Self‐Defense: Browsing Effects in the Rare Plant Species Salix arizonica.

Published in:

Ecology & Evolution (20457758), 2024, v. 14, n. 11, p. 1, doi. 10.1002/ece3.70582

By:

Lencioni, Shannon J.;
Massatti, Rob;
Keefover‐Ring, Ken;
Holeski, Liza M.

Publication type:

Article

Characterization of Salix nigra floral insect community and activity of three native Andrena bees.

Published in:

Ecology & Evolution (20457758), 2021, v. 11, n. 9, p. 4688, doi. 10.1002/ece3.7369

By:

Simon, Sandra J.;
Keefover‐Ring, Ken;
Park, Yong‐Lak;
Wimp, Gina;
Grady, Julianne;
DiFazio, Stephen P.

Publication type:

Article

Host plant genetic control of associated fungal and insect species in a Populus hybrid cross.

Published in:

Ecology & Evolution (20457758), 2020, v. 10, n. 11, p. 5119, doi. 10.1002/ece3.6266

By:

Simon, Sandra J.;
Tschaplinski, Timothy J.;
LeBoldus, Jared;
Keefover‐Ring, Ken;
Azeem, Muhammad;
Chen, Jin‐Gui;
Macaya‐Sanz, David;
MacDonald, William L.;
Muchero, Wellington;
DiFazio, Stephen P.

Publication type:

Article

Defence syndromes in lodgepole - whitebark pine ecosystems relate to degree of historical exposure to mountain pine beetles.

Published in:

Plant, Cell & Environment, 2017, v. 40, n. 9, p. 1791, doi. 10.1111/pce.12985

By:

Raffa, Kenneth F.;
Mason, Charles J.;
Bonello, Pierluigi;
Cook, Stephen;
Erbilgin, Nadir;
Keefover‐Ring, Ken;
Klutsch, Jennifer G.;
Villari, Caterina;
Townsend, Philip A.

Publication type:

Article

Rapid modulation of ultraviolet shielding in plants is influenced by solar ultraviolet radiation and linked to alterations in flavonoids.

Published in:

Plant, Cell & Environment, 2016, v. 39, n. 1, p. 222, doi. 10.1111/pce.12609

By:

Barnes, Paul W.;
Tobler, Mark A.;
Keefover ‐ Ring, Ken;
Flint, Stephan D.;
Barkley, Anne E.;
Ryel, Ronald J.;
Lindroth, Richard L.

Publication type:

Article

No Evidence of Geographical Structure of Salicinoid Chemotypes within Populus Tremula.

Published in:

PLoS ONE, 2014, v. 9, n. 10, p. 1, doi. 10.1371/journal.pone.0107189

By:

Keefover-Ring, Ken;
Ahnlund, Maria;
Abreu, Ilka Nacif;
Jansson, Stefan;
Moritz, Thomas;
Albrectsen, Benedicte Riber

Publication type:

Article

Phylogenomics reveals patterns of ancient hybridization and differential diversification that contribute to phylogenetic conflict in willows, poplars, and close relatives.

Published in:

Systematic Biology, 2023, v. 72, n. 6, p. 1220, doi. 10.1093/sysbio/syad042

By:

Sanderson, Brian J;
Gambhir, Diksha;
Feng, Guanqiao;
Hu, Nan;
Cronk, Quentin C;
Percy, Diana M;
Freaner, Francisco Molina;
Johnson, Matthew G;
Smart, Lawrence B;
Keefover-Ring, Ken;
Yin, Tongming;
Ma, Tao;
DiFazio, Stephen P;
Liu, Jianquan;
Olson, Matthew S

Publication type:

Article

To compete or defend: linking functional trait variation with life-history tradeoffs in a foundation tree species.

Published in:

Oecologia, 2020, v. 192, n. 4, p. 893, doi. 10.1007/s00442-020-04622-y

By:

Kruger, Eric L.;
Keefover-Ring, Ken;
Holeski, Liza M.;
Lindroth, Richard L.

Publication type:

Article

Genetic variation in aspen phytochemical patterns structures windows of opportunity for gypsy moth larvae.

Published in:

Oecologia, 2018, v. 187, n. 2, p. 471, doi. 10.1007/s00442-018-4160-0

By:

Falk, Michael A.;
Lindroth, Richard L.;
Keefover-Ring, Ken;
Raffa, Kenneth F.

Publication type:

Article

Evolutionary history and ecology shape the diversity and abundance of phytochemical arsenals across monkeyflowers.

Published in:

Journal of Evolutionary Biology, 2021, v. 34, n. 3, p. 571, doi. 10.1111/jeb.13760

By:

Holeski, Liza M.;
Keefover‐Ring, Ken;
Sobel, James M.;
Kooyers, Nicholas J.

Publication type:

Article

High-density genetic map of Populus deltoides constructed by using specific length amplified fragment sequencing.

Published in:

Tree Genetics & Genomes, 2018, v. 14, n. 5, p. 1, doi. 10.1007/s11295-018-1290-9

By:

Fang, Lecheng;
Liu, Hailin;
Wei, Suyun;
Keefover-Ring, Ken;
Yin, Tongming

Publication type:

Article

Author Correction: Drier Climatic Conditions Increase Withanolide Content of Withania coagulans Enhancing its Inhibitory Potential against Human Prostate Cancer Cells.

Published in:

2019

By:

Rehman, Samiya;
Keefover-Ring, Ken;
Haq, Ihsan ul;
Dilshad, Erum;
Khan, Mohammad Imran;
Akhtar, Nosheen;
Mirza, Bushra

Publication type:

Correction Notice

Drier Climatic Conditions Increase Withanolide Content of Withania coagulans Enhancing Its Inhibitory Potential Against Human Prostate Cancer Cells.

Published in:

Applied Biochemistry & Biotechnology, 2019, v. 188, n. 2, p. 460, doi. 10.1007/s12010-018-02933-8

By:

Rehman, Samiya;
Keefover-Ring, Ken;
Haq, Ihsan ul;
Dilshad, Erum;
Khan, Mohammad Imran;
Akhtar, Nosheen;
Mirza, Bushra

Publication type:

Article

Chemical Composition of Essential Oils from Natural Populations of Artemisia scoparia Collected at Different Altitudes: Antibacterial, Mosquito Repellent, and Larvicidal Effects.

Published in:

Molecules, 2024, v. 29, n. 6, p. 1359, doi. 10.3390/molecules29061359

By:

Parveen, Amna;
Abbas, Muhammad Ghazanfar;
Keefover-Ring, Ken;
Binyameen, Muhammad;
Mozūraitis, Raimondas;
Azeem, Muhammad

Publication type:

Article

Pine Engravers Carry Bacterial Communities Whose Members Reduce Concentrations of Host Monoterpenes With Variable Degrees of Redundancy, Specificity, and Capability.

Published in:

Environmental Entomology, 2018, v. 47, n. 3, p. 638, doi. 10.1093/ee/nvy032

By:

Howe, Michael;
Keefover-Ring, Ken;
Raffa, Kenneth F

Publication type:

Article