Among phototrophs, the unicellular green microalga Chlamydomonas reinhardtii is widely known as one of the best established model organisms. (nature.com)
Among these photosynthetically active unicellular organisms, the eukaryotic green microalga Chlamydomonas reinhardtii is widely used for plant-related studies in the fields of molecular biology, systems biology and biotechnology 7 , 8 . (nature.com)
The homing endonuclease, I-CreI, was originally isolated from the chloroplast of the unicellular green alga Chlamydomonas reinhardtii. (nih.gov)
To investigate the coordinated biogenesis of this complex, we isolated novel ATP synthase mutants in the green alga Chlamydomonas reinhardtii by screening for high light sensitivity. (ibpc.fr)
We addressed the role of the centriole-associated EF-hand protein centrin in genomic stability using a Chlamydomonas reinhardtii centrin mutant that forms acentriolar bipolar spindles and lacks the centrin-based rhizoplast structures that join centrioles to the nucleus. (biomedcentral.com)
The multicellular volvocine species Volvox carteri exhibits many hallmarks of complex multicellularity including complete germ-soma division of labor, asymmetric cell divisions, coordinated tissue-level morphogenesis, and dimorphic sexes-none of which have obvious analogs in its closest unicellular relative, the model alga Chlamydomonas reinhardtii . (biomedcentral.com)
The divergence time between the common ancestor of C. reinhardtii and multicellular volvocine species is estimated at around 250 MY [ 6 ], though the fossil record for green algae is sparse and complicated by homoplasy that makes definitive taxonomic affiliation and time calibration difficult [ 7 ]. (biomedcentral.com)
We are using the unicellular green alga Chlamydomonas reinhardtii and the higher plant Arabidopsis thaliana as model systems to identify and characterize molecular components that determine transcriptional or post-transcriptional gene silencing. (unl.edu)
We engineered a new small PSII antenna size Chlamydomonas reinhardtii strain with improved photon conversion efficiency and increased growth rates under high light conditions. (uni-bielefeld.de)
Improvement of light to biomass conversion by de-regulation of light-harvesting protein translation in Chlamydomonas reinhardtii" in Journal of Biotechnology JOURNAL OF BIOTECHNOLOGY, vol. 142, (ELSEVIER SCIENCE BV), 70-77. (uni-bielefeld.de)
Chromochloris zofingiensis is a unicellular green alga in the class Chlorophyceae, and is closely related to the model alga Chlamydomonas reinhardtii . (doe.gov)
At low-CO2 (air) conditions, the unicellular green alga Chlamydomonas reinhardtii acquires the ability to raise its internal inorganic carbon concentration. (unipr.it)
2004a) Biochemistry 43:1369-1375] have shown that the replacement of either methionine with histidine in the PSI of the unicellular green alga Chlamydomonas reinhardtii resulted in accumulation of A 0 - (in 300-ps time scale), suggesting that both the PsaA and PsaB branches are active. (elsevierpure.com)
Researchers Neda Fakhimi, Alexandra Dubini and David González Ballester report being able to increase hydrogen production by combining unicellular green alga called Chlamydomonas reinhardtii with Escherichia coli bacteria. (evdriven.com)
To better understand the molecular basis of these processes, we built a mathematical model based on experimental data examining temperature regulation of the circadian RNA-binding protein CHLAMY1 from the unicellular green alga Chlamydomonas reinhardtii , simulating the effect of temperature on the rates by applying the Arrhenius equation. (nih.gov)
The Pigino Group developed a detailed protocol to obtain super-resolution images of the green alga Chlamydomonas reinhardtii by using conventional optical light microscopes. (humantechnopole.it)
Using Chlamydomonas reinhardtii, a species of unicellular green microalgae, the goal was to improve algal cell growth kinetics, genetically engineer the cells and develop a bioprocess to analyze recombinant protein production. (ucalgary.ca)
In particular, the publication of the first charophyte genome sequence from Klebsormidium flaccidum filled a gap in the available genome sequences in the plant kingdom between unicellular green algae such as Chlamydomonas reinhardtii that typically have 1-3 WRKY genes and mosses such as Physcomitrella patens that have 30-40 genes. (unlv.edu)
Witman, George B Chlamydomonas reinhardtii is an important model organism for the study of many cellular processes, and protein tagging is an increasingly indispensable tool for these studies. (umassmed.edu)
Here, we discuss how the human gene nomenclature for dyneins, ODA docking complex subunits, and DNAAFs has been updated to be more functionally informative and consistent with that of the unicellular green alga Chlamydomonas reinhardtii, a key model organism for studying dyneins and ciliary function. (umassmed.edu)
Here, we combined genetic, proteomic and cryo-electron tomographic approaches to compare the CA of wild-type Chlamydomonas reinhardtii with those of three CA mutants. (umassmed.edu)
Chlamydomonas reinhardtii - a unicellular green alga used to study photosynthesis , flagella and motility , regulation of metabolism , cell-cell recognition and adhesion , response to nutrient deprivation and many other topics. (wikidoc.org)
Chlamydomonas reinhardtii has a well-studied genetics, with many known and mapped mutants and expressed sequence tags, and there are advanced methods for genetic transformation and selection of genes. (wikidoc.org)
In this talk I will summarize recent theoretical and experimental work addressing a number of interrelated aspects of evolutionary transitions in the Volvocine green algae, which range from unicellular Chlamydomonas to Volvox , with thousands of cells. (univ-lyon1.fr)
Volvox is a polyphyletic genus of multicellular freshwater green algae (Chlorophyta) that belong to a larger taxonomic grouping within the Order Chlamydomonadales known as volvocine algae [ 1 ]. (biomedcentral.com)
No other group of extant organisms captures the crucial transition of eukaryotic life from unicellular to multicellular as lucidly as the volvocine clade, and much of modern Volvox research is motivated by the potential to reconstruct the early stages of this transition in unprecedented detail [ 1 , 8 ]. (biomedcentral.com)
The green plant lineage (Viridiplantae) has long been described as having a single origin (starting with the engulfment of a cyanobacteria-like endosymbiont) that has led to two phyla: the Streptophyta, including embryophytes (land plants) and some algae such as chara and nitella, and the Chlorophyta, encompassing most of the other algae including chlamydomonas, volvox, chlorella, and ostreococcus. (plantae.org)
We use a variety of model organisms to study these processes (the bacterium B. subtilis , and algae such as Chlamydomonas and Volvox ). (cam.ac.uk)
Organisms9
e.g., unicellular organisms such as bacteria, locust swarms, or the flocking behaviour of birds. (wikipedia.org)
All members of monera kingdom are single-celled organisms (unicellular). (scienceneo.com)
This is particularly so in the case of flagellated eukaryotes such as green algae, whose members serve as model organisms for the study of transitions to multicellularity. (univ-lyon1.fr)
In this context the use of model organisms (often unicellular), which allows for rapid assessment of pollutants in freshwater, can be of advantage. (diva-portal.org)
However, although these initial ultrastructural studies used vertebrate cells such as human airway or photoreceptor cells, or crown cells from fish, for almost 40 years, research on the function and assembly of cilia was restricted to less mainstream organisms such as the green algae Chlamydomonas and the protists Paramecium and Tetrahymena. (ebookschoice.com)
The phylum includes spherical or rod-shaped unicellular organisms ( Chroococcus ), or simple or branched filamentous prokaryotes ( Oscillatoria, Nostoc, Anabaena ). (doctor-dr.com)
Of interest also is the role of flagella-driven flows in the evolutionary transition from unicellular to multicellular organisms (using the Volvocine green algae as a model lineage). (cam.ac.uk)
Studies on the motility of microorganisms have focused on relatively few model organisms, including the bacterium E. coli, eukaryotic spermatozoa or the small green algae Chlamydomonas. (uni-wuerzburg.de)
Motile1
Simple unicellular motile green alga, Chlamydomonas and its flagellated zoospores move from place to place but the movement of firmly rooted higher plants is of. (overallscience.com)
Alga Chlamydomonas1
The Pigino Group presents a CRISPR/Cas-based protocol for the targeted insertion of exogenous genes in the unicellular green alga Chlamydomonas that is amenable to rapid high-throughput screening of mutant cells. (humantechnopole.it)
Multicellular8
Spirogyra is a green, multicellular, filamentous alga having unbranched filamentous thallus. (scienceneo.com)
Volvocine green algae are a taxonomic group that is uniquely suited to investigating the step-wise acquisition of multicellular organization. (biomedcentral.com)
Vegetative phase V. carteri are spheroids of several hundred microns diameter which are organized in a simple radially symmetric multicellular body plan with just two cell types: ~ 2000 small sterile biflagellate somatic cells that are similar in size to a Chlamydomonas cell, and 12-16 large aflagellate reproductive cells called gonidia (Fig. 2 a-e). (biomedcentral.com)
Two types of algae can be identified as unicellular and multicellular algae. (pediaa.com)
Unicellular algae are called microalgae while multicellular algae are called macroalgae. (pediaa.com)
Some green algae are single cells, such as Chlamydomonas and desmids, which adds to the ambiguity of green algae classification, because plants are multicellular. (meltingpointathens.com)
Is Salmonella typhimurium unicellular colonial or multicellular? (meltingpointathens.com)
Eukaryotic1
Eukaryotic cells (en=true) are far more sophisticated, with a genuine nucleus, in which genetic material is surrounded by a nuclear envelope to create a distinct, readily identifiable structure. (doctor-dr.com)
Mutants1
The findings based on the studies of the mutants have improved our understanding of cell response in Chlamydomonas to oxidative stress substantially. (frontiersin.org)
Genes1
The mitochondrial genome of Scenedesmus combines features of both green algal mitochondrial genome types: the presence of a more complex set of protein-coding and tRNA genes is shared with the ancestral type, whereas the lack of 5S rRNA and ribosomal protein-coding genes as well as the presence of fragmented and scrambled rRNA genes are shared with the reduced-derived type of mitochondrial genome organization. (nih.gov)
Assisted with green fluorescence protein (GFP) fusion, fluorescence microscopy analysis indicated the localization of NoDGAT1A in the chloroplast endoplasmic reticulum (cER) of N. oceanica . (biomedcentral.com)
Volvocine1
Here again we use the Volvocine green algae, and study the process of 'embryonic inversion' during which the spherical daughter colonies literally turn themselves inside out to complete their development. (cam.ac.uk)
Freshwater1
The Chlorophyta include a diversity of taxa (morphologically and ecologically), ranging from unicellular and freshwater taxa (e.g. (meltingpointathens.com)
Genome4
Chromosome-level genome assembly and transcriptome of the green alga Chromochloris zofingiensis illuminates astaxanthin production. (doe.gov)
The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants (Nature Ecol. (plantae.org)
Two distinct mitochondrial genome types have been described among the green algal lineages investigated to date: a reduced-derived, Chlamydomonas-like type and an ancestral, Prototheca-like type. (nih.gov)
To determine if this unexpected dichotomy is real or is due to insufficient or biased sampling and to define trends in the evolution of the green algal mitochondrial genome, we sequenced and analyzed the mitochondrial DNA (mtDNA) of Scenedesmus obliquus. (nih.gov)
PSII1
The phenotypical and physiological implications revealed from our experiments highlight the important roles of CGLD1 in maintaining structure and function of PSII as well as in protection of Chlamydomonas under photo-oxidative stress conditions. (frontiersin.org)
Seminal1
Seminal work resulted from studies in Chlamydomonas, where "lollipop-shaped structures " were first seen moving between the plasma membrane and the microtubules of the axoneme, a process now well known and characterized called intraflagellar transport (IFT). (ebookschoice.com)
Genetic1
[3] A Chlamydomonas genetic stock center exists at Duke University , and an international Chlamydomonas research interest group meets on a regular basis to discuss research results. (wikidoc.org)
Paramecium1
The body of a Paramecium (unicellular protozoan) is fully covered by a few thousands of cilia. (majordifferences.com)
Chlorophyta1
have sequenced a tiny unicellular alga isolated from deep in the water column and found that it represents a distinct, third phylum, which they call the Prasinodermaphyta, which split off before the divergence of the Streptophyta and Chlorophyta. (plantae.org)
Photosynthetic2
The photosynthetic pigments are chlorophyll (green), phycoerythrin (red) and phycocyanin (blue). (doctor-dr.com)
It should not be surprising that even the existence of the lipid bilayer was doubted by some researchers, since two models replaced it: the one for photosynthetic thylakoids (using lipoprotein subunits) proposed by Benson [43], and the other for mammalian mitochondria proposed by Green [44, 45]. (researchgate.net)
Genetics2
Using a forward genetics approach, we have identified and characterized a mutant x32 , which lacks a predicted protein named CGLD1 (Conserved in Green Lineage and Diatom 1) in GreenCut2, under normal and stress conditions. (frontiersin.org)
Chlamydomonas ( Chlamydomonas refers to Chlamydomonas reinhardti throughout) is a unicellular green alga with genetics similar to yeast, but which, unlike yeast, has centrioles (known as basal bodies) that are virtually identical to centrioles of vertebrate cells. (biomedcentral.com)
Hormogonia - In blue-green algae, trichomes are segmented into hormogonia. (pediaa.com)
Flagella1
Cilia and flagella were mainly seen as organelles playing functions in unicellular locomotion and a great deal of attention was given to how motors, in particular dynein, could influence microtubule sliding and hence movement of the axoneme. (ebookschoice.com)
Swarms1
We found that depending on their location and developmental stage, the unicellular parasites move either singly or in huge swarms. (uni-wuerzburg.de)
Lineage1
Research on C. zofingiensis provides insight into the green lineage, regulation of metabolism, and the biosynthesis of astaxanthin. (doe.gov)
Plant1
A wall moss is a small flowerless plant that grows in a dense green clump. (odranoel.eu)
Simple1
They are unicellular prokaryotes but the cells often remain attached after division, forming clumps, chains or simple filaments. (doctor-dr.com)
Plants2
She has her expertise in nitrogen metabolism and PII signal transduction in green and red algae, and land plants. (plantscienceconferences.com)
Chloroplasts of land plants differ from those of green algae in the building of an intertwined network of stroma lamellae and grana lamellae, thylakoids being the structural units of this lamellar system. (frontiersin.org)
Cell division1
Cell division or binary fission - Unicellular algae such as Chlamydomonas and Synechococcus undergo vegetative cell division by mitosis . (pediaa.com)
Single2
Chlamydomonas are single-celled (unicellular) algae. (scienceneo.com)
Euglena is a type of single-celled flagellate Eukaryote, they are found in fresh and salt waters where they may bloom in large numbers and colour the surface of ponds and ditches green (E. viridis) or red (E. sanguinea). (odranoel.eu)
Membranes1
Therefore, both Benson and Green were experts in highly specific and sophisticated membranes. (researchgate.net)