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#heterocystous
vb49tcvl5a · 1 year
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In cyanobacteria, anaerobic conditions are created in specialized cells called heterocysts (see Figure 13.10).
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"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.
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ksrikm0f2i · 1 year
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al6ow3ol2c · 1 year
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clovalee · 2 years
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Haha. Funny. Funny Cyanothece. She’s a hardworking gal who produces a lot of oxygen and has the world on her shoulders
If you wanna learn some funky bacteria facts look under the cut :D
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Cyanothece are a type of phytoplankton and cyanobacteria.
Fun fact! This bacteria is very widely believed to be related to the bacteria that eventually became chloroplasts in plant cells!
They are aquatic bacteria and like to live in the tropics so they can get about 12 hours of sunlight and 12 hours of darkness every day. Why? It’s the most optimal way to get the most photosynthesis and most nitrogen fixation!
For those who aren’t aware, nitrogen fixation converts Nitrogen gas into a usable form for cells to later go into the ammonia buffer or make proteins and amino acids :) (later going onto basic cell shit and dna replication) However the enzyme that helps do this breaks down in the presence of Oxygen. So since photosynthesis makes excess oxygen, they can’t happen at the same time, even while cellular respiration is taking the oxygen.
So yay light and dark cycles! Did you know that 80% of atmospheric oxygen is given to us by phytoplankton and other aquatic photosynthetic organisms! Very cool shit!
Sometimes cyanothece make these cool heterocysts which are basically nitrogen fixation hubs for a string of cyanothece. They pop up every 8-10 cells and transfer their fixed nitrogen to the other cells in return of glucose they can use for photosynthesis later. The walls are thicker to better ensure that oxygen doesn’t get in and the only stuff that comes in is the stuff it gets from it’s friends :)
Cyanothece are gram negative bacteria meaning they have two cell membranes and a thinner peptidoglycan cell well. The outer membrane outer leaflet is actually made of something called Lipid A, instead of your regular phospholipid bilayer you’re used to ;P
That’s all for now! Come by some time to learn some more bacteria stuff and watch some funky art
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ribosome-papers · 10 days
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mRNA localization and thylakoid protein biogenesis in the filamentous heterocyst-forming cyanobacterium Anabaena sp. PCC 7120
bioRxiv: http://dlvr.it/T5fvY6
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tmmediaindia · 6 months
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Pringsheim's Medium
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Pringsheim's Medium is a highly recommended culture medium specifically designed for the cultivation of blue-green algae. These remarkable organisms, with their unique ability to convert atmospheric nitrogen into organic forms like nitrate or ammonia, are essential for the health and growth of many plants. Blue-green algae encompass a wide range of species, though only a select few have been successfully cultured in artificial environments.
Notably, blue-green algae possess a distinctive blue-green color, attributed to the presence of the pigment phycocyanin in addition to chlorophyll. Certain blue-green algae feature specialized cells called heterocysts, which play a key role in nitrogen fixation. Pringsheim's Medium provides the ideal conditions for nurturing these valuable organisms.
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jobrxiv · 1 year
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PhD position on cell differentiation in Cyanobacteria University of Freiburg Application Deadline: 2023-01-31 We are searching for a early-career scientist (M.Sc. in biology or equivalent) to participate in the project “Early Determinants of Heterocyst Differentiation in Multicellular Cyanobacteria”, which is... See the full job description on jobRxiv: https://jobrxiv.org/job/university-of-freiburg-27779-phd-e13-65-on-cell-differentiationin-cyanobacteria/?feed_id=32562 #ScienceJobs #hiring #research @meinbio, @spp2389
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mature ligule, having a prominent basal portion, is called
mature ligule, having a prominent basal portion, is called
(a)  Trichocyst                          (b)  Heterocyst (c)   Rhizophore                        (d)  Glossopodium Answer:  d
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opens-up-4-nobody · 2 years
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hear me out: Nostoc w/ little hearts for heterocysts
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I do have a history of drawing heterocytes and coccus algae with hearts... bc I lov them 💚
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dead-set-goat · 2 years
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Random photos I found on my PC (none mine btw) /// Basically>Compilation of Joy Volume 2 <for anyone who remembers
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Cool random lacewing. He makes me very happy.
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Antlion. He makes me happy beyond reason as well! Story time, because boy do I love talking, uh, a long time ago in this galaxy I photographed one at nigth, I was at my gramps, I did not know back then what it was, I was like: "WOW, an even more badass dragonfly??????" and more recently I was like: "damn I'd kill to see an antlion in real life". SO I was scroolling to my gallery just because and AND HE WAS THERE, I MET HIM. so yeah, no murder guys!
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I don't know about ya'll but bacteria mats make me feel so weird, I mean, when bacteria are visible with unaided eye?? Weird?? But it looks kinda' delicious, I'd lick it, I wonder what they'd taste like... mmm, probably bitter, I think that's what peptidoglycans taste like, and, makes sense that's not to be put in your mouth.
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cyanobacteria. you know the drill. they blue-green and look like bean. when no usable nitrogen, make baby- I mean, the heterocyst, the special nitrogen fixing cell!
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kin
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This may be one of my favourite photos of all time! It's Sahara's Grand Erg Occidental! Its dunes are so beautiful, so imposing, the little car serving as scale really puts its grandness into perspective. Man oh, man... the world sure is pretty!
Let's see what else we have in my little pouch...
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Oh, conifers of the Araucaria genus! I just think they look really neat! They do date from the Jurrasic and honestly, when I look at them I go: ah yes, dino trees.
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dcbudfinder000-blog · 3 years
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boudhabar · 5 years
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Cyanobacteria Nostoc with heterocysts
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florafaundness · 3 years
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GLOEOTRICHIA
GLOEOTRICHIA CLASSIFICATION OF GLOEOTRICHIA Sub-division :- Algae Class :- Myxophyceae Order :- Nostocales Family :- Rivulariaceae Genus :- Gloeotrichia Gloeotrichia occurs as mucilaginous balls or mass floating on the surface of the stagnant waters. Colonies are also found as epiphytes on aquatic weeds growing near the margins of ponds and pools EXTERNAL FEATURES OF THALLUS AND HETEROCYST​ OF…
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dcbudfinder003-blog · 3 years
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Hybrid Weed in Washington DC The Hybrid Weed in Washington DC combines the most blissful attributes of their indica and Sativa innate heritage. A Hybrid Weed in Washington DC passes on a mind-blowing publicity which may frequently supplication to a more extensive decision of cannabis buyers than can be either an unadulterated indica or unadulterated Sativa. Hybrid Weed in Washington DC organizations finds that hybrid strains remain tremendously well known with cultivators. Some private cultivators and numerous enormous legitimate authorized cannabis makers presumably rehash producers and love the impacts of Hybrid Weed in Washington DC, yields, and quality from the Hybrid Weed in Washington DC. Many weed clients incline toward Hybrid Weed in Washington DC since they send the most ideal kinds of indica and Sativa assortments. Become the highest caliber of feminized hybrid seeds and you will appreciate an influential intellectual impact close by absolute body soothing and lessening. It's a magnificently lovely encounter. The Hybrid Weed in Washington DC combines all the basic parts for a scrumptious cannabis experience. Stress alleviation combines with rapture, a solid body stone, and complete joy for the spirit, mind, and body. Certainly, it's the best combination of the unadulterated Sativa and indica weed impacts which grant hybrid strains to interest a particularly wide scope of cannabis customers. The vital ingredients of top-quality Hybrid Weed in Washington DC One basic quality influenced by a decent Hybrid Weed in Washington DC is heterocyst. This is all the more generally known as hybrid strength, or unpredictably it is alluded to as upgrade by proficient cannabis raisers. It is a property discovered when two adequately hereditarily various assortments of cannabis are or hybridized by keeping in view the impacts of Hybrid Weed in Washington DC. Crosses combine advantages of Hybrid Weed in Washington DC One basic factor of Hybrid Weed in Washington DC and why it's continuously emerging is that they are certainly combined for more delight and satisfaction which brings about the best combination of indica and Sativa strains. Without a doubt, there are the indica classicists who pursue nothing not exactly a 100% unadulterated indica. There are likewise the unadulterated Sativa hunters who acknowledge no arrangement on their favored Sativa hereditary qualities which must be 100% unadulterated. In any case, for huge numbers of the remainder of the customers, Hybrid Weed in Washington DC hit the spot consummately. They balance the correlative delights of sustaining the spirit, body, and mind. They do it so well that numerous cultivators find that Hybrid Weed in Washington DC seed assortments are the lone ones they require. Is Hybrid Weed in Washington DC simple to develop? Contrasted with unadulterated Sativa and indica strains, numerous business and home cultivators may state that growing a Hybrid Weed in Washington DC is a little calm. The explanation is the indica influence in the Hybrid Weed in Washington DC will in general confine the measure of giving seen during bloom, making your hybrid strain simpler to achieve. Some unadulterated Sativa assortments, indica, maryjane, and weed buds can be handily found on DC Bud Finder, with the most excellent supplies. Check through our site and pick the ideal item according as you would prefer.
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betteroak · 6 years
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A list of all the hetero things i am
heterosexuality
heterochromatin
heterochromatic
heterogeneities
heterogeneously
heteromorphisms
heterothallisms
heterophyllous
heterophyllies
heteroploidies
heterothallism
heterosexually
heterozygosity
heterotrophies
heterologously
heterokaryotic
heterokaryoses
heterokaryosis
heteromorphism
heteroduplexes
heterogameties
heterogeneous
heterogeneity
heterogametic
heteromorphic
heterothallic
heterosporous
heteropterous
heterozygosis
heterozygoses
heterozygotes
heterotrophic
heterophonies
heterospories
heterosexuals
heterokaryons
heterogametes
heterocyclics
heterocystous
heterosexual
heterozygous
heterogenous
heterologous
heterocyclic
heterozygote
heteronomous
heterogamous
heterogamete
heteroecious
heterocercal
heterokaryon
heterografts
heterogonies
heterogenies
heteronomies
heteroauxins
heterocycles
heteroclites
heteroecisms
heteroduplex
heterodyning
heterogamies
heterogamety
heterodoxies
heterotrophs
heterotrophy
heteroploids
heteroploidy
heterophylly
heterotopic
heterotypic
heterophony
heteroclite
heterograft
heterotroph
heteroploid
heterolysis
heterolytic
heterolyses
heterogonic
heterophile
heterocycle
heteroatoms
heteroauxin
heterocysts
heterodyned
heterodynes
heteroecism
heterospory
heterodoxy
heterodyne
heterogamy
heteroatom
heterocyst
heterophil
heteronyms
heteronomy
heterogeny
heterogony
heterodox
heterosis
heteronym
heteroses
heterotic
heteros
hetero
See? This just proves I’m as hetero as it gets! Just trust me on this, I am one hundred percent hetero!!!
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