Jennifer C. Fletcher
YOU?
Author Swipe
View article: The bivalent epigenetic regulator ULTRAPETALA1 promotes the Arabidopsis floral transition via recruitment of Polycomb histone methyltransferases for H3K27me3 deposition at the <i>FLC</i> locus
The bivalent epigenetic regulator ULTRAPETALA1 promotes the Arabidopsis floral transition via recruitment of Polycomb histone methyltransferases for H3K27me3 deposition at the <i>FLC</i> locus Open
Floral induction is a major transition during the plant life cycle that contributes to reproductive fitness in annual and perennial plants. Flowering occurs in response to multiple environmental and endogenous cues. In Arabidopsis thaliana…
View article: CLAVATA3 Signaling Buffers Arabidopsis Shoot Apical Meristem Activity in Response to Photoperiod
CLAVATA3 Signaling Buffers Arabidopsis Shoot Apical Meristem Activity in Response to Photoperiod Open
Land plants grow throughout their life cycle via the continuous activity of stem cell reservoirs contained within their apical meristems. The shoot apical meristem (SAM) of Arabidopsis and other land plants responds to a variety of environ…
View article: The trxG protein ULT1 regulates Arabidopsis organ size by interacting with TCP14/15 to antagonize the LIM peptidase DA1 for H3K4me3 on target genes
The trxG protein ULT1 regulates Arabidopsis organ size by interacting with TCP14/15 to antagonize the LIM peptidase DA1 for H3K4me3 on target genes Open
Plant organ size is an important agronomic trait that makes a significant contribution to plant yield. Despite its central importance, the genetic and molecular mechanisms underlying organ size control remain to be fully clarified. Here, w…
View article: Plant and animal calpain functions, association with microtubules and possible medical applications
Plant and animal calpain functions, association with microtubules and possible medical applications Open
Calpains are calcium-activated cysteine proteases that activate a vast variety of substrates by cleavage. First reported in 1964, calpains are found in both prokaryotes and eukaryotes and display disparate multidomain architectures. The te…
View article: Stem Cells: Engines of Plant Growth and Development
Stem Cells: Engines of Plant Growth and Development Open
The development of both animals and plants relies on populations of pluripotent stem cells that provide the cellular raw materials for organ and tissue formation. Plant stem cell reservoirs are housed at the shoot and root tips in structur…
View article: The CLAVATA3/ESR-related peptide family in the biofuel crop pennycress
The CLAVATA3/ESR-related peptide family in the biofuel crop pennycress Open
CLAVATA3/ESR-related (CLE) peptides perform a variety of important functions in plant development and historically have been targeted during the domestication of existing crops. Pennycress ( Thlaspi arvense ) is an emerging biofuel crop cu…
View article: Unique and overlapping functions for the transcriptional regulators <i>KANADI1</i> and <i>ULTRAPETALA1</i> in Arabidopsis gynoecium and stamen gene regulation
Unique and overlapping functions for the transcriptional regulators <i>KANADI1</i> and <i>ULTRAPETALA1</i> in Arabidopsis gynoecium and stamen gene regulation Open
Plants generate their reproductive organs, the stamens and the carpels, de novo within the flowers that form when the plant reaches maturity. The carpels comprise the female reproductive organ, the gynoecium, a complex organ that develops …
View article: Interactive CLV3, CLE16, and CLE17 signaling mediates stem cell homeostasis in the Arabidopsis shoot apical meristem
Interactive CLV3, CLE16, and CLE17 signaling mediates stem cell homeostasis in the Arabidopsis shoot apical meristem Open
The ability of plants to grow and form organs throughout their lifetime is dependent on their sustained stem cell activity. These stem cell populations are maintained by intricate networks of intercellular signaling pathways. In Arabidopsi…
View article: The Trithorax Group Factor ULTRAPETALA1 Regulates Developmental as Well as Biotic and Abiotic Stress Response Genes in Arabidopsis
The Trithorax Group Factor ULTRAPETALA1 Regulates Developmental as Well as Biotic and Abiotic Stress Response Genes in Arabidopsis Open
In eukaryotes, Polycomb group (PcG) and trithorax group (trxG) factors oppositely regulate gene transcription during development through histone modifications, with PcG factors repressing and trxG factors activating the expression of their…
View article: Peptide signaling molecules <scp>CLE</scp>5 and <scp>CLE</scp>6 affect Arabidopsis leaf shape downstream of leaf patterning transcription factors and auxin
Peptide signaling molecules <span>CLE</span>5 and <span>CLE</span>6 affect Arabidopsis leaf shape downstream of leaf patterning transcription factors and auxin Open
Intercellular signaling mediated by small peptides is critical to coordinate organ formation in animals, but whether extracellular polypeptides play similar roles in plants is unknown. Here we describe a role in Arabidopsis leaf developmen…
View article: The CLV-WUS Stem Cell Signaling Pathway: A Roadmap to Crop Yield Optimization
The CLV-WUS Stem Cell Signaling Pathway: A Roadmap to Crop Yield Optimization Open
The shoot apical meristem at the growing shoot tip acts a stem cell reservoir that provides cells to generate the entire above-ground architecture of higher plants. Many agronomic plant yield traits such as tiller number, flower number, fr…
View article: Faculty Opinions recommendation of HAIRY MERISTEM with WUSCHEL confines CLAVATA3 expression to the outer apical meristem layers.
Faculty Opinions recommendation of HAIRY MERISTEM with WUSCHEL confines CLAVATA3 expression to the outer apical meristem layers. Open
The control of the location and activity of stem cells depends on spatial regulation of gene activities in the stem cell niche.Using computational and experimental approaches, we have tested, and found support for, a hypothesis for gene in…
View article: The signaling peptide-encoding genes CLE16, CLE17 and CLE27 are dispensable for Arabidopsis shoot apical meristem activity
The signaling peptide-encoding genes CLE16, CLE17 and CLE27 are dispensable for Arabidopsis shoot apical meristem activity Open
The shoot apical meristem produces all of the leaves, stems and flowers of a flowering plant from a reservoir of stem cells at its growing tip. In Arabidopsis, the small polypeptide signaling molecule CLAVATA3 (CLV3), a member of the CLV3/…
View article: Trithorax Group Proteins Act Together with a Polycomb Group Protein to Maintain Chromatin Integrity for Epigenetic Silencing during Seed Germination in Arabidopsis
Trithorax Group Proteins Act Together with a Polycomb Group Protein to Maintain Chromatin Integrity for Epigenetic Silencing during Seed Germination in Arabidopsis Open
View article: State of the Art: trxG Factor Regulation of Post-embryonic Plant Development
State of the Art: trxG Factor Regulation of Post-embryonic Plant Development Open
Multicellular organisms rely on the precise and consistent regulation of gene expression to direct their development in tissue- and cell-type specific patterns. This regulatory activity involves arrays of DNA-binding transcription factors …
View article: Calpain-Mediated Positional Information Directs Cell Wall Orientation to Sustain Plant Stem Cell Activity, Growth and Development
Calpain-Mediated Positional Information Directs Cell Wall Orientation to Sustain Plant Stem Cell Activity, Growth and Development Open
Eukaryotic development and stem cell control depend on the integration of cell positional sensing with cell cycle control and cell wall positioning, yet few factors that directly link these events are known. The DEFECTIVE KERNEL1 (DEK1) ge…
View article: The ULTRAPETALA1 trxG factor contributes to patterning the Arabidopsis adaxial-abaxial leaf polarity axis
The ULTRAPETALA1 trxG factor contributes to patterning the Arabidopsis adaxial-abaxial leaf polarity axis Open
The SAND domain protein ULTRAPETALA1 (ULT1) functions as a trithorax group factor that regulates a variety of developmental processes in Arabidopsis. We have recently shown that ULT1 regulates developmental patterning in the gynoecia and l…