Results 91 to 100 of about 174,667 (169)

High Spatio-Temporal-Resolution Detection of Chlorophyll Fluorescence Dynamics from a Single Chloroplast with Confocal Imaging Fluorometer [PDF]

open access: yesarXiv, 2016
Chlorophyll fluorescence (CF) is a key indicator to study plant physiology or photosynthesis efficiency. Conventionally, CF is characterized by fluorometers, which only allows ensemble measurement through wide-field detection. For imaging fluorometers, the typical spatial and temporal resolutions are on the order of millimeter and second, far from ...
arxiv  

Retrograde signaling in plants: A critical review focusing on the GUN pathway and beyond

open access: yesPlant Communications, 2023
Plastids communicate their developmental and physiological status to the nucleus via retrograde signaling, allowing nuclear gene expression to be adjusted appropriately.
Andreas S. Richter   +6 more
doaj  

Third-codon transversion rate-based _Nymphaea_ basal angiosperm phylogeny -- concordance with developmental evidence [PDF]

open access: yes, 2007
Flowering plants (angiosperms) appeared on Earth rather suddenly approximately 130 million years ago and underwent a massive expansion in the subsequent 10-12 million years.
(Max) Zong-Ming Cheng   +3 more
core   +2 more sources

Relation between Gene Content and Taxonomy in Chloroplasts [PDF]

open access: yesarXiv, 2016
The aim of this study is to investigate the relation that can be found between the phylogeny of a large set of complete chloroplast genomes, and the evolution of gene content inside these sequences. Core and pan genomes have been computed on \textit{de novo} annotation of these 845 genomes, the former being used for producing well-supported ...
arxiv  

Chloroplast- or Mitochondria-Targeted DEAD-Box RNA Helicases Play Essential Roles in Organellar RNA Metabolism and Abiotic Stress Responses

open access: yesFrontiers in Plant Science, 2017
The yields and productivity of crops are greatly diminished by various abiotic stresses, including drought, cold, heat, and high salinity. Chloroplasts and mitochondria are cellular organelles that can sense diverse environmental stimuli and alter gene ...
Ghazala Nawaz, Hunseung Kang
doaj   +1 more source

Identification of Plastoglobules as a Site of Carotenoid Cleavage

open access: yesFrontiers in Plant Science, 2016
Carotenoids play an essential role in light harvesting and protection from excess light. During chloroplast senescence carotenoids are released from their binding proteins and are eventually metabolized.
Sarah Rottet   +5 more
doaj   +1 more source

Shining light on the function of NPH3/RPT2-like proteins in phototropin signalling [PDF]

open access: yes, 2017
No abstract ...
Christie, John M.   +3 more
core   +1 more source

Finding the Core-Genes of Chloroplasts [PDF]

open access: yesJournal of Bioscience, Biochemistry, and Bioinformatics, 4(5):357--364, 2014, 2014
Due to the recent evolution of sequencing techniques, the number of available genomes is rising steadily, leading to the possibility to make large scale genomic comparison between sets of close species. An interesting question to answer is: what is the common functionality genes of a collection of species, or conversely, to determine what is specific ...
arxiv  

Light Deprivation-Induced Inhibition of Chloroplast Biogenesis Does Not Arrest Embryo Morphogenesis But Strongly Reduces the Accumulation of Storage Reserves during Embryo Maturation in Arabidopsis

open access: yesFrontiers in Plant Science, 2017
The chloroplast is one of the most important organelles found exclusively in plant and algal cells. Previous reports indicated that the chloroplast is involved in plant embryogenesis, but the role of the organelle during embryo morphogenesis and ...
Huichao Liu   +6 more
doaj   +1 more source

Hybrid Genetic Algorithm and Lasso Test Approach for Inferring Well Supported Phylogenetic Trees based on Subsets of Chloroplastic Core Genes [PDF]

open access: yesarXiv, 2015
The amount of completely sequenced chloroplast genomes increases rapidly every day, leading to the possibility to build large scale phylogenetic trees of plant species. Considering a subset of close plant species defined according to their chloroplasts, the phylogenetic tree that can be inferred by their core genes is not necessarily well supported ...
arxiv  

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