Search Results - "Christensen, Shawn"

Biosynthesis and function of terpenoid defense compounds in maize (Zea mays) by Block, Anna K., Vaughan, Martha M., Schmelz, Eric A., Christensen, Shawn A.

“…Plants rely on complex blends of constitutive and dynamically produced specialized metabolites to mediate beneficial ecological interactions and protect…”
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Nectar bacteria stimulate pollen germination and bursting to enhance microbial fitness by Christensen, Shawn M., Munkres, Ivan, Vannette, Rachel L.

“…Many organisms consume pollen, yet mechanisms of its digestion remain a fundamental enigma in pollination biology,1–3 as pollen is protected by a recalcitrant…”
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Biosynthesis, elicitation and roles of monocot terpenoid phytoalexins by Schmelz, Eric A, Huffaker, Alisa, Sims, James W, Christensen, Shawn A, Lu, Xuan, Okada, Kazunori, Peters, Reuben J

“…A long‐standing goal in plant research is to optimize the protective function of biochemical agents that impede pest and pathogen attack. Nearly 40 years ago,…”
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The lipid language of plant–fungal interactions by Christensen, Shawn A., Kolomiets, Michael V.

“…Lipid mediated cross-kingdom communication between hosts and pathogens is a rapidly emerging field in molecular plant–fungal interactions. Amidst our growing…”
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Green leaf volatiles and jasmonic acid enhance susceptibility to anthracnose diseases caused by Colletotrichum graminicola in maize by Gorman, Zachary, Christensen, Shawn A., Yan, Yuanxin, He, Yongming, Borrego, Eli, Kolomiets, Michael V.

“…Colletotrichum graminicola is a hemibiotrophic fungus that causes anthracnose leaf blight (ALB) and anthracnose stalk rot (ASR) in maize. Despite substantial…”
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Completion of LINE integration involves an open '4-way' branched DNA intermediate by Khadgi, Brijesh B, Govindaraju, Aruna, Christensen, Shawn M

“…Long Interspersed Elements (LINEs), also known as non-LTR retrotransposons, encode a multifunctional protein that reverse transcribes its mRNA into DNA at the…”
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Sorghum MSD3 Encodes an ω-3 Fatty Acid Desaturase that Increases Grain Number by Reducing Jasmonic Acid Levels by Dampanaboina, Lavanya, Jiao, Yinping, Chen, Junping, Gladman, Nicholas, Chopra, Ratan, Burow, Gloria, Hayes, Chad, Christensen, Shawn A, Burke, John, Ware, Doreen, Xin, Zhanguo

“…Grain number per panicle is an important component of grain yield in sorghum ( (L.)) and other cereal crops. Previously, we reported that mutations in…”
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Thermal characterization and separation of whey proteins by differential scanning calorimetry by Jennings, Charity C., Freidenberger, McCall, Christensen, Shawn A., Conlin, Joy, Freidenberger, Olivia, Kenealey, Jason D.

“…•Whey protein denaturation temperatures largely shift (≥19 °C) between pH 3.8–9.2.•Individual whey protein ΔH values shift up to 671 kJ/mol between pH…”
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The effects of climate change associated abiotic stresses on maize phytochemical defenses by Vaughan, Martha M., Block, Anna, Christensen, Shawn A., Allen, Leon Hartwell, Schmelz, Eric A.

“…Reliable large-scale maize production is an essential component of global food security; however, sustained efforts are needed to ensure optimized resilience…”
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MSD1 regulates pedicellate spikelet fertility in sorghum through the jasmonic acid pathway by Jiao, Yinping, Lee, Young Koung, Gladman, Nicholas, Chopra, Ratan, Christensen, Shawn A., Regulski, Michael, Burow, Gloria, Hayes, Chad, Burke, John, Ware, Doreen, Xin, Zhanguo

“…Grain number per panicle (GNP) is a major determinant of grain yield in cereals. However, the mechanisms that regulate GNP remain unclear. To address this…”
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Maize death acids, 9-lipoxygenase–derived cyclopente(a)nones, display activity as cytotoxic phytoalexins and transcriptional mediators by Christensen, Shawn A., Huffaker, Alisa, Kaplan, Fatma, Sims, James, Ziemann, Sebastian, Doehlemann, Gunther, Ji, Lexiang, Schmitz, Robert J., Kolomiets, Michael V., Alborn, Hans T., Mori, Naoki, Jander, Georg, Ni, Xinzhi, Sartor, Ryan C., Byers, Sara, Abdo, Zaid, Schmelz, Eric A.

“…Plant damage promotes the interaction of lipoxygenases (LOXs) with fatty acids yielding 9-hydroperoxides, 13-hydroperoxides, and complex arrays of oxylipins…”
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Telomere‐Specialized Retroelements in Drosophila: Adaptive Symbionts of the Genome, Neutral, or in Conflict? by Markova, Dragomira N., Christensen, Shawn M., Betrán, Esther

“…Linear chromosomes shorten in every round of replication. In Drosophila, telomere‐specialized long interspersed retrotransposable elements (LINEs) belonging to…”
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The linker region of LINEs modulates DNA cleavage and DNA polymerization by Pradhan, Monika, Govindaraju, Aruna, Jagdish, Athena, Christensen, Shawn M.

“…Long interspersed elements (LINEs) replicate by target primed reverse transcription (TPRT). Insertion involves two half reactions. Each half reaction involves…”
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The 13-lipoxygenase MSD2 and the ω-3 fatty acid desaturase MSD3 impact Spodoptera frugiperda resistance in Sorghum by Block, Anna K., Xin, Zhanguo, Christensen, Shawn A.

“…Main conclusion Linolenic acid produced by the ω-3 fatty acid desaturase MSD3 in sorghum is used for insect-induced jasmonic acid production and is important…”
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Interactive Effects of Elevated [CO2] and Drought on the Maize Phytochemical Defense Response against Mycotoxigenic Fusarium verticillioides by Vaughan, Martha M, Huffaker, Alisa, Schmelz, Eric A, Dafoe, Nicole J, Christensen, Shawn A, McAuslane, Heather J, Alborn, Hans T, Allen, Leon Hartwell, Teal, Peter E A

“…Changes in climate due to rising atmospheric carbon dioxide concentration ([CO2]) are predicted to intensify episodes of drought, but our understanding of how…”
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The maize lipoxygenase, ZmLOX10, mediates green leaf volatile, jasmonate and herbivore‐induced plant volatile production for defense against insect attack by Christensen, Shawn A., Nemchenko, Andriy, Borrego, Eli, Murray, Ian, Sobhy, Islam S., Bosak, Liz, DeBlasio, Stacy, Erb, Matthias, Robert, Christelle A.M., Vaughn, Kathy A., Herrfurth, Cornelia, Tumlinson, Jim, Feussner, Ivo, Jackson, David, Turlings, Ted C.J., Engelberth, Jurgen, Nansen, Christian, Meeley, Robert, Kolomiets, Michael V.

“…Summary Fatty acid derivatives are of central importance for plant immunity against insect herbivores; however, major regulatory genes and the signals that…”
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Rapid defense responses in maize leaves induced by Spodoptera exigua caterpillar feeding by Tzin, Vered, Hojo, Yuko, Strickler, Susan R., Bartsch, Lee J., Archer, Cairo M., Ahern, Kevin R., Zhou, Shaoqun, Christensen, Shawn A., Galis, Ivan, Mueller, Lukas A., Jander, Georg

“…Insects such as the beet armyworm (Spodoptera exigua) cause extensive damage to maize (Zea mays). Maize plants respond by triggering defense signaling, changes…”
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Herbivore-derived fatty-acid amides elicit reactive oxygen species burst in plants by Block, Anna, Christensen, Shawn A, Hunter, Charles T, Alborn, Hans T

“…Fatty-acid amides from lepidopteran pests elicit a reactive oxygen species burst in plants partially mediated by NADPH oxidases, yet an Arabidopsis NADPH…”
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Fertility of Pedicellate Spikelets in Sorghum Is Controlled by a Jasmonic Acid Regulatory Module by Gladman, Nicholas, Jiao, Yinping, Lee, Young Koung, Zhang, Lifang, Chopra, Ratan, Regulski, Michael, Burow, Gloria, Hayes, Chad, Christensen, Shawn A, Dampanaboina, Lavanya, Chen, Junping, Burke, John, Ware, Doreen, Xin, Zhanguo

“…As in other cereal crops, the panicles of sorghum ( (L.) Moench) comprise two types of floral spikelets (grass flowers). Only sessile spikelets (SSs) are…”
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Fighting on two fronts: Elevated insect resistance in flooded maize by Block, Anna K., Hunter, Charles T., Sattler, Scott E., Rering, Caitlin, McDonald, Samantha, Basset, Gilles J., Christensen, Shawn A.

“…To grow and thrive plants must be able to adapt to both adverse environmental conditions and attack by a variety of pests. Elucidating the sophisticated…”
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