Floral petals of nearly 79% of angiosperm species contain conical epidermal cells that are thought to influence light capture and reflectance, and provide pollinator grips, but the mechanisms controlling conical cell morphogenesis are poorly understood. Using a live confocal imaging approach, we show that in Arabidopsis thaliana, the spatio-temporal organization of microtubule arrays plays crucial roles in controlling conical cell morphogenesis. The image shows well-ordered microtubule arrays in conical cells expressing GFP-Tubulin6, and the side visualization of conical cells from the propidium iodide-stained petals. See Ren, Dang et al.
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Image Credit: Deshu Lin, Fujian Agriculture and Forestry University
Perspective
Transcription coactivator and lncRNA duet evoke Hox genes
PLOS Genetics: published June 29, 2017 | https://doi.org/10.1371/journal.pgen.1006797
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Transcriptomes of six mutants in the Sen1 pathway reveal combinatorial control of transcription termination across the Saccharomyces cerevisiae genome
PLOS Genetics: published June 30, 2017 | https://doi.org/10.1371/journal.pgen.1006863
A conserved mitochondrial surveillance pathway is required for defense against Pseudomonas aeruginosa
PLOS Genetics: published June 29, 2017 | https://doi.org/10.1371/journal.pgen.1006876
A genetic framework controlling the differentiation of intestinal stem cells during regeneration in Drosophila
PLOS Genetics: published June 29, 2017 | https://doi.org/10.1371/journal.pgen.1006854
One ligand, two regulators and three binding sites: How KDPG controls primary carbon metabolism in Pseudomonas
PLOS Genetics: published June 28, 2017 | https://doi.org/10.1371/journal.pgen.1006839
Distinguishing functional polymorphism from random variation in the sequences of >10,000 HLA-A, -B and -C alleles
PLOS Genetics: published June 26, 2017 | https://doi.org/10.1371/journal.pgen.1006862
Dynamics and impact of homologous recombination on the evolution of Legionella pneumophila
PLOS Genetics: published June 26, 2017 | https://doi.org/10.1371/journal.pgen.1006855
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Genomic introgression mapping of field-derived multiple-anthelmintic resistance in Teladorsagia circumcincta
PLOS Genetics: published June 23, 2017 | https://doi.org/10.1371/journal.pgen.1006857
Spatio-temporal orientation of microtubules controls conical cell shape in Arabidopsis thaliana petals
PLOS Genetics: published June 23, 2017 | https://doi.org/10.1371/journal.pgen.1006851
Time dependent genetic analysis links field and controlled environment phenotypes in the model C4 grass Setaria
PLOS Genetics: published June 23, 2017 | https://doi.org/10.1371/journal.pgen.1006841
An autonomous metabolic role for Spen
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006859
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Lack of a peroxiredoxin suppresses the lethality of cells devoid of electron donors by channelling electrons to oxidized ribonucleotide reductase
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006858
Peroxisomal biogenesis is genetically and biochemically linked to carbohydrate metabolism in Drosophila and mouse
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006825
Identification of a Sjögren's syndrome susceptibility locus at OAS1 that influences isoform switching, protein expression, and responsiveness to type I interferons
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006820
Optimal sequencing strategies for identifying disease-associated singletons
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006811
Ribosomal DNA copy number loss and sequence variation in cancer
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006771
Genetic loci associated with coronary artery disease harbor evidence of selection and antagonistic pleiotropy
PLOS Genetics: published June 22, 2017 | https://doi.org/10.1371/journal.pgen.1006328
Integrative analysis of genomic alterations in triple-negative breast cancer in association with homologous recombination deficiency
PLOS Genetics: published June 21, 2017 | https://doi.org/10.1371/journal.pgen.1006853
Differential regulation of polarized synaptic vesicle trafficking and synapse stability in neural circuit rewiring in Caenorhabditis elegans
PLOS Genetics: published June 21, 2017 | https://doi.org/10.1371/journal.pgen.1006844
Splicing stimulates siRNA formation at Drosophila DNA double-strand breaks
PLOS Genetics: published June 19, 2017 | https://doi.org/10.1371/journal.pgen.1006861
Novel interplay between JNK and Egfr signaling in Drosophila dorsal closure
PLOS Genetics: published June 19, 2017 | https://doi.org/10.1371/journal.pgen.1006860
TCP4-dependent induction of CONSTANS transcription requires GIGANTEA in photoperiodic flowering in Arabidopsis
PLOS Genetics: published June 19, 2017 | https://doi.org/10.1371/journal.pgen.1006856
Flipping chromosomes in deep-sea archaea
PLOS Genetics: published June 19, 2017 | https://doi.org/10.1371/journal.pgen.1006847
A chromosome 5q31.1 locus associates with tuberculin skin test reactivity in HIV-positive individuals from tuberculosis hyper-endemic regions in east Africa
PLOS Genetics: published June 19, 2017 | https://doi.org/10.1371/journal.pgen.1006710
Identification of Padi2 as a novel angiogenesis-regulating gene by genome association studies in mice
PLOS Genetics: published June 15, 2017 | https://doi.org/10.1371/journal.pgen.1006848
p53 and TAp63 participate in the recombination-dependent pachytene arrest in mouse spermatocytes
PLOS Genetics: published June 15, 2017 | https://doi.org/10.1371/journal.pgen.1006845
Genetic, structural, and chemical insights into the dual function of GRASP55 in germ cell Golgi remodeling and JAM-C polarized localization during spermatogenesis
PLOS Genetics: published June 15, 2017 | https://doi.org/10.1371/journal.pgen.1006803
Ranking and characterization of established BMI and lipid associated loci as candidates for gene-environment interactions
PLOS Genetics: published June 14, 2017 | https://doi.org/10.1371/journal.pgen.1006812
Cleavage of the SUN-domain protein Mps3 at its N-terminus regulates centrosome disjunction in budding yeast meiosis
PLOS Genetics: published June 13, 2017 | https://doi.org/10.1371/journal.pgen.1006830
The yeast protein kinase Sch9 adjusts V-ATPase assembly/disassembly to control pH homeostasis and longevity in response to glucose availability
PLOS Genetics: published June 12, 2017 | https://doi.org/10.1371/journal.pgen.1006835
The Arabidopsis leucine-rich repeat receptor kinase MIK2/LRR-KISS connects cell wall integrity sensing, root growth and response to abiotic and biotic stresses
PLOS Genetics: published June 12, 2017 | https://doi.org/10.1371/journal.pgen.1006832
p63 exerts spatio-temporal control of palatal epithelial cell fate to prevent cleft palate
PLOS Genetics: published June 12, 2017 | https://doi.org/10.1371/journal.pgen.1006828
Pervasive antagonistic interactions among hybrid incompatibility loci
PLOS Genetics: published June 12, 2017 | https://doi.org/10.1371/journal.pgen.1006817
Lokiarchaea are close relatives of Euryarchaeota, not bridging the gap between prokaryotes and eukaryotes
PLOS Genetics: published June 12, 2017 | https://doi.org/10.1371/journal.pgen.1006810
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Joint modeling of genetically correlated diseases and functional annotations increases accuracy of polygenic risk prediction
PLOS Genetics: published June 9, 2017 | https://doi.org/10.1371/journal.pgen.1006836
A highly specific phage defense system is a conserved feature of the Vibrio cholerae mobilome
PLOS Genetics: published June 8, 2017 | https://doi.org/10.1371/journal.pgen.1006838
Dynamics of DNA methylomes underlie oyster development
PLOS Genetics: published June 8, 2017 | https://doi.org/10.1371/journal.pgen.1006807
Hybridization and polyploidy enable genomic plasticity without sex in the most devastating plant-parasitic nematodes
PLOS Genetics: published June 8, 2017 | https://doi.org/10.1371/journal.pgen.1006777
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A conserved role for the ESCRT membrane budding complex in LINE retrotransposition
PLOS Genetics: published June 6, 2017 | https://doi.org/10.1371/journal.pgen.1006837
Allelic variants of OsHKT1;1 underlie the divergence between indica and japonica subspecies of rice (Oryza sativa) for root sodium content
PLOS Genetics: published June 5, 2017 | https://doi.org/10.1371/journal.pgen.1006823
Analysis of DNA polymerase ν function in meiotic recombination, immunoglobulin class-switching, and DNA damage tolerance
PLOS Genetics: published June 1, 2017 | https://doi.org/10.1371/journal.pgen.1006818