Search Results - "Hawkins, Jennifer S"

Rapid DNA Loss as a Counterbalance to Genome Expansion through Retrotransposon Proliferation in Plants by Hawkins, Jennifer S., Proulx, Stephen R., Rapp, Ryan A., Wendel, Jonathan F.

“…Transposable elements, particularly LTR-retrotransposons, comprise the primary vehicle for genome size expansion in plants, while DNA removal through…”
Get full text

Differential lineage-specific amplification of transposable elements is responsible for genome size variation in Gossypium by Hawkins, Jennifer S, Kim, HyeRan, Nason, John D, Wing, Rod A, Wendel, Jonathan F

“…The DNA content of eukaryotic nuclei (C-value) varies approximately 200,000-fold, but there is only a approximately 20-fold variation in the number of…”
Get full text

Plant height shapes hydraulic architecture but does not predict metaxylem area under drought in Sorghum bicolor by Lehrer, Melissa A., Hawkins, Jennifer S.

“…Climate change‐induced variations in temperature and precipitation negatively impact plant growth and development. To ensure future food quality and…”
Get full text

Evolutionary Dynamics of Transposable Elements Following a Shared Polyploidization Event in the Tribe Andropogoneae by Ramachandran, Dhanushya, McKain, Michael R, Kellogg, Elizabeth A, Hawkins, Jennifer S

“…Both polyploidization and transposable element (TE) activity are known to be major drivers of plant genome evolution. Here, we utilize the clade to investigate…”
Get full text

Switchgrass (Panicum virgatum L.) polyubiquitin gene (PvUbi1 and PvUbi2) promoters for use in plant transformation by Mann, David G J, King, Zachary R, Liu, Wusheng, Joyce, Blake L, Percifield, Ryan J, Hawkins, Jennifer S, LaFayette, Peter R, Artelt, Barbara J, Burris, Jason N, Mazarei, Mitra, Bennetzen, Jeffrey L, Parrott, Wayne A, Stewart, Jr, Charles N

“…The ubiquitin protein is present in all eukaryotic cells and promoters from ubiquitin genes are good candidates to regulate the constitutive expression of…”
Get full text

Interactions among plants, bacteria, and fungi reduce extracellular enzyme activities under long‐term N fertilization by Carrara, Joseph E., Walter, Christopher A., Hawkins, Jennifer S., Peterjohn, William T., Averill, Colin, Brzostek, Edward R.

“…Atmospheric nitrogen (N) deposition has enhanced soil carbon (C) stocks in temperate forests. Most research has posited that these soil C gains are driven…”
Get full text

Differences in microbial community response to nitrogen fertilization result in unique enzyme shifts between arbuscular and ectomycorrhizal‐dominated soils by Carrara, Joseph E., Walter, Christopher A., Freedman, Zachary B., Hostetler, Ashley N., Hawkins, Jennifer S., Fernandez, Ivan J., Brzostek, Edward R.

“…While the effect of nitrogen (N) deposition on belowground carbon (C) cycling varies, emerging evidence shows that forest soils dominated by trees that…”
Get full text

Phenotypic and physiological responses to salt exposure in Sorghum reveal diversity among domesticated landraces by Henderson, Ashley N., Crim, Philip M., Cumming, Jonathan R., Hawkins, Jennifer S.

“…Premise Soil salinity negatively impacts plant function, development, and yield. To overcome this impediment to agricultural productivity, variation in…”
Get full text

QTL mapping in an interspecific sorghum population uncovers candidate regulators of salinity tolerance by Hostetler, Ashley N., Govindarajulu, Rajanikanth, Hawkins, Jennifer S.

“…•Osmotic and ionic salinity tolerance segregates in an interspecific sorghum RIL population.•S. bicolor alleles positively influence traits associated with…”
Get full text

Methods for accurate quantification of LTR-retrotransposon copy number using short-read sequence data: a case study in Sorghum by Ramachandran, Dhanushya, Hawkins, Jennifer S.

“…Transposable elements (TEs) are ubiquitous in eukaryotic genomes and their mobility impacts genome structure and function in myriad ways. Because of their…”
Get full text

Phylogenetic reconstruction using four low-copy nuclear loci strongly supports a polyphyletic origin of the genus Sorghum by Hawkins, Jennifer S., Ramachandran, Dhanushya, Henderson, Ashley, Freeman, Jasmine, Carlise, Michael, Harris, Alex, Willison-Headley, Zachary

“…Sorghum is an essential grain crop whose evolutionary placement within the Andropogoneae has been the subject of scrutiny for decades. Early studies using…”
Get full text

Variation in allelic expression associated with a recombination hotspot in Zea mays by Hawkins, Jennifer S, Delgado, Vivian, Feng, Liang, Carlise, Michael, Dooner, Hugo K, Bennetzen, Jeffrey L

“…Gene expression is a complex process, requiring precise spatial and temporal regulation of transcription factor activity; however, modifications of individual…”
Get full text

Repeated big bangs and the expanding universe: Directionality in plant genome size evolution by Hawkins, Jennifer S., Grover, Corrinne E., Wendel, Jonathan F.

“…The lack of correlation between genome size and organismal complexity has long been a topic of great interest. Over the last decade it has become clear that…”
Get full text

Integration of high-density genetic mapping with transcriptome analysis uncovers numerous agronomic QTL and reveals candidate genes for the control of tillering in sorghum by Govindarajulu, Rajanikanth, Hostetler, Ashley N, Xiao, Yuguo, Chaluvadi, Srinivasa R, Mauro-Herrera, Margarita, Siddoway, Muriel L, Whipple, Clinton, Bennetzen, Jeffrey L, Devos, Katrien M, Doust, Andrew N, Hawkins, Jennifer S

“…Abstract Phenotypes such as branching, photoperiod sensitivity, and height were modified during plant domestication and crop improvement. Here, we perform…”
Get full text

Global alteration of microRNAs and transposon-derived small RNAs in cotton (Gossypium hirsutum) during Cotton leafroll dwarf polerovirus (CLRDV) infection by Romanel, Elisson, Silva, Tatiane F., Corrêa, Régis L., Farinelli, Laurent, Hawkins, Jennifer S., Schrago, Carlos E. G., Vaslin, Maite F. S.

“…Small RNAs (sRNAs) are a class of non-coding RNAs ranging from 20- to 40-nucleotides (nts) that are present in most eukaryotic organisms. In plants, sRNAs are…”
Get full text

The history and disposition of transposable elements in polyploid Gossypium by Hu, Guanjing, Hawkins, Jennifer S, Grover, Corrinne E, Wendel, Jonathan F

“…Transposable elements (TEs) are a major component of plant genomes. It is of particular interest to explore the potential activation of TE proliferation,…”
Get more information

The subjective intuition by Hawkins, Jennifer S.

“…Theories of well-being are typically divided into subjective and objective. Subjective theories are those which make facts about a person's welfare depend on…”
Get full text

Phylogenetic determination of the pace of transposable element proliferation in plants: copia and LINE-like elements in Gossypium by Hawkins, Jennifer S, Hu, Guanjing, Rapp, Ryan A, Grafenberg, Jessie L, Wendel, Jonathan F

“…Transposable elements contribute significantly to plant genome evolution in myriad ways, ranging from local insertional mutations to global effects exerted on…”
Get more information

Genetic diversity in Hypericum and AFLP Markers for species-specific identification of H. perforatum L by Percifield, Ryan J, Hawkins, Jennifer S, McCoy, Joe-Ann, Widrlechner, Mark P, Wendel, Jonathan F

“…One of the top-selling medicinal products worldwide is Hypericum perforatum (St. John's Wort). Despite its cosmopolitan distribution and utilization, little is…”
Get more information

Clarifying Confusions about Coercion by HAWKINS, JENNIFER S., EMANUEL, EZEKIEL J.

“…Hawkins and Emanuel infer that while the issue of coercion can certainly arise in research and clinical care, more often than not, ethical concerns about…”
Get full text