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whats-in-a-sentence · 11 months

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A loosely defined group of plant growth promoting rhizobacteria (PGPR) provides several beneficial services to growing plants (Figure 23.4).

"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.

#book quotes #plant physiology and development #nonfiction #textbook #plant growth promoting rhizobacteria #pgpr #pseudomonas aeruginosa #rhizobacteria #abiotic stress #biotic stress #soil bacteria

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wachinyeya · 11 months

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University of California, Riverside, chemical and environmental engineering scientists have identified two species of bacteria found in soil that break down a class of stubborn “forever chemicals,” giving hope for low-cost biological cleanup of industrial pollutants.

These bacteria destroy a subgroup of per- and poly-fluoroalkyl substances, or PFAS, that have one or more chlorine atoms within their chemical structure, Yujie Men, an assistant professor in the Bourns College of Engineering, and her UCR colleagues, reported in the journal Natural Water.

Unhealthful forever chemicals persist in the environment for decades or much longer because of their unusually strong carbon-to-fluorine bonds. Remarkably, the UCR team found that the bacteria cleave the pollutant’s chlorine-carbon bonds, which starts a chain of reactions that destroy the forever chemical structures, rendering them harmless.

“What we discovered is that bacteria can do carbon-chlorine bond cleavage first, generating unstable intermediates,” Men said. “And then those unstable intermediates undergo spontaneous defluorination, which is the cleavage of the carbon-fluorine bond.”

Chlorinated PFAS are a large group in the forever chemical family of thousands of compounds. They include a variety of non-flammable hydraulic fluids used in industry and compounds used to make chemically stable films that serve as moisture barriers in various industrial, packaging, and electronic applications.

The two bacteria species – Desulfovibrio aminophilus and Sporomusa sphaeroides – identified by Men’s group are naturally occurring and are known to live in the subterranean microbiomes where groundwater may be contaminated with PFAS. For expedited cleanups, an inexpensive nutrient, such as methanol, could be injected into groundwater to promote bacterial growth. This would greatly increase the bacteria’s presence to destroy the pollutants more effectively, Men said. If the bacteria are not already present, the contaminated water could be inoculated with one of the bacterium species.

But what’s known about using microorganisms to clean up PFAS is still in its infancy, Men said. Her discovery shows great promise because biological treatments, if effective pollutant-eating microbes are available, are generally less costly and more environmentally friendly than chemical treatments. Pollutant-eating microbes can also be injected into difficult-to-reach locations underground.

Men’s latest PFAS study comes as the U.S. Environmental Protection Agency is promulgating new regulations to spur cleanups of PFAS-contaminated groundwater sites throughout the nation because these chemicals have been linked to a host of ill health effects, including cancer, kidney disease, and hormone disruptions.

#good news #nature #science #environmentalism #bacteria #pfas #pfas pollution #soil #soil microbes #microbiology #environment

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selestialsprout · 3 months

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just witnessed bacteria homicide.. when will the violence stop

#soil bacteria lab is. going !!#literally my entire petri dish of bacteria colonies was overtaken by some fucker #ONLY 4 OUT OF 16 COLONIES SURVIVED #worst day ever wtf #gonna hold a mass funeral #stop the violence #i cant take this

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queen-boudicca · 3 months

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Me when doing my environmental science homework, at every available opportunity:

#wish there were a class discord or a chill teacher so i could share it #fr though I'm like “oh we're talking about freshwater? hey did you know that agricultural runoff is causing accelerated eutrophication?”#and that a lot of the runoff is bc of erosion caused by the destruction of ecosystems and their vegetation that would've kept soil in place #and the runoff is mostly compromised of fertilizer and bacteria and pesticides from the agriculture and sediment from the eroded land #and that crop irrigation is so inefficient that literally 40% of irrigation water never reaches the crops #and don't even get me started on the FUCKING CORN SUBSIDIES #god those fucking corn subsidies #“hey boudicca what's the worst policy choice the us government made in the 1930s–40s?”#“was it American isolationism? maybe increased militarization? the garbage treatment of women and minorities?”#wrong! it was not stopping those fucking corn subsidies #(this is a joke obviously those other things were worse)#(I'm not actually saying this silly little agricultural practice was worse than Japanese internment don't worry)#but i AM saying that at some point they should've fucking phased out those goddamn corn subsidies #do you wanna know why California grows so much corn even though it's an incredibly water intensive crop and California is dry as shit?#I'll give you three guesses #anyway sorry for rambling my point is fuck industrial agriculture #agriculture #described

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empty-blog-for-lurking · 1 year

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A lot of people including me😔 are like "Oh x character should get altean alchemy" (it is mostly Lance but sometimes it is Keith and even Shiro) but honestly? I kinda being to partial to- "actually humans should get their own brand of quintessence manipulation like Balmerans, Olkarion, Galra etc etc that got triggered due to the War and it should be tma avatars level of fucked-up-if-true cause i think it would be funny ¯\_(ツ)_/¯"

#I have some Thoughts™ about quintessence #Mostly it surrounds everything and is everywhere #However all of it is currently not usable or accessible #And How much it is there varies #Balmera (planet) are born in places with really really high quintessence and can convert it to more usable form #like bacteria in the soil make nitrogen more accessible to plants #Also i hc earth as being an oasis in a very very very large quintessence desert #Like the local group is in a giant quintessence void and earth is few of the only planets with life for god knows how many light years #and because of galran taking out the quintessence from planets the desert has only become larger #and earthlings who evolved with low quintessence got fucked up when galra used their quintessence using weapons #Like it would have been fine elsewhere which can take that amount of quintessence but not this place #I know i am not making sense but trust me #Honestly this is all just an excuse to make earthlings more eldritch #And said eldritchness depends on how exposed they were especially the paladins and specifically Shiro and Lance who came back to life #i know i am not making sense it would happen again #takashi shirogane #lance mcclain #lance voltron #vld lance #hunk garrett #voltron hunk #hunk vld #katie holt #pidge gunderson #keith kogane #vld keith #voltron keith #voltron legendary defender #voltron #keith is the only one of the paladins who isnt affected because of his galra genes instead he has other problems

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lonelyquail · 1 month

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im sorry DIRT CLASS. PARDON

oh did you not know about my dirt class! ive been in two dirt classes actually! im a dirt major! this isnt a joke !

#hi yeah im your local soil science boy #im not gonna say Soil Scientist because hoo boy am i not going past a bachelors #but :3 hi! yeah im currently in Dirt Class! specifically Worms Class this quarter #and bacteria and fungi its honestly mostly those two #beasts and worms class. this is the place where i rest my bones. anyway #ive also taken an evil class but that wasnt for my major that was just an elective #my college held a death class at one point i wanted to take but it seems like they stopped holding them after my first year??#which im really sad about #i did learn plenty about corpses in dirt class though so i guess its fine #vee shut up

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tenth-sentence · 5 months

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Red meat contains choline and L-carnitine, which are metabolised by our gut microbes into a compound called TMA, which our liver then converts to TMAO.

"Soil: The incredible story of what keeps the earth, and us, healthy" - Matthew Evans

#book quote #soil #matthew evans #nonfiction #red meat #choline #l carnitine #metabolism #microbes #gut bacteria #tma #liver #conversion #tmao

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gumclones · 5 months

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saw a post on Reddit that was like “would you rather try to survive in the vampire world or the Jerry world” and like. listen. I’m not gonna tell anyone their preferences are invalid but the vampire world is the only one where survival is even a possibility

#do you have any idea how extensive the extinction of ALL life is??#how much weight bacteria and algae and fungi pull for you every day?!?#also since Bonnie just disappeared this likely also happened with the candy people meaning you couldn’t even snack on them #I guess you could subsist on the buildings and whatnot? but the Candy Kingdom is Not that big #but like. you can’t bake bread and you can’t grow ANYTHING because the soil and yeast are fucking dead #also it would be just. so unbearably bleak #psychologically speaking humans need to be around living things!#god.#Fionna and Cake #original #text #gen

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bubmyg · 2 years

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anyway after i edit this narrative for work it’s repot like eight of my plants day <3

#by repot I mean dump the soul wash off the roots and give them new soil #some sort of bacteria got into this one specific bag of soil I had for some reason #and I think it’s prob fine but I’m gonna fix it to make sure #it’ll be like a plant spa day #*dump the soil lmao

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microbe-mage · 1 year

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This is the second time looking at this sample, it had definitely became less active, though there were many bacteria.

#saddly everything is frozen now so collecting samples will be harder #but i am planning on looking at my houseplants' soil #so stay tuned for that!#microbe #microbes #microscope #protozoa #protists #plants #lichen #leaf litter #ciliate #paramecium #bacteria #winter #eukaryotes #fungi

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whats-in-a-sentence · 1 year

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The most common type of symbiosis occurs between members of the plant family Fabaceae (Leguminosae) and soil bacteria of the genera Azorhizobium, Bradyrhizobium, Mesorhizobium, Rhizobium, and Sinorhizobium (collectively called rhizobia; Table 13.3 and Figure 13.9).

"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.

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itsdetachable · 2 years

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ordered a stainless steel filtered kitchen scrap bin and gonna diy a buried compost bin and we're gonna kept our compost on this year yeeeaaahhh

we got a raised bed that we're going to set up probably this weekend, my dad got the weeds pulled up in the garden plot this week and I have tomato seedlings growing. Gonna get a zucchini and squash plant, and probably sow some beets and maybe parsley root. It's a 9' by 2' raised bed that has a middle partition and so I'm gonna divvy up the plants. I think it'll be the zucchini, squash, beets and radishes in one section, then tomatoes, parsley root and maybe a few marigolds to deter some bugs.

Zucchini and squash have to be planted close together, I might get three plants because they need to be pollinated so much and the flowers are only open 1 day.

Looks like Borage can be helpful in the garden so I'll look into getting a borage plant if I can.

This is gonna be awesome :D

#man i love gardening I love dirt I love soil #i love plants I love this shit #can't wait for composting and the worms #gonna feed the worms and the bugs and the bacterias and the funguses #gonna make this awesome

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touchoflovecannabis · 2 years

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Transplant for my babies. All plants are super happy, our late “female” is healthy and has been pruned pretty heavily. Going to have to run that one with some fems in our next run👀 Something tells me she’s gunna be special😁 —————————————————————— Cultivar(s)🌳 Acai Gelato x PacMac FFC x Macmosa —————————————————————— What I use in the garden 🪴 @blackswallow_livingsoils @buildasoil @aeliusled @acinfinityinc @miimhort @grassrootsfabricpots —————————————————————— #cannabis #organiccannabis #mariujuana #weed #soil #organicgardening #fungi #bacteria #sustainable #touchoflove #soilbiology #buildasoil #blackswallowsoils #canada #rosin #flower #canadiancannabis #cannabisincanada https://www.instagram.com/p/ChkN9r1OKKh/?igshid=NGJjMDIxMWI=

#cannabis #organiccannabis #mariujuana #weed #soil #organicgardening #fungi #bacteria #sustainable #touchoflove #soilbiology #buildasoil #blackswallowsoils #canada #rosin #flower #canadiancannabis #cannabisincanada

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arrozaurus · 2 years

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my moms basils also are showing promising signs i just noticed

#theyre still weak though #yesterday i learned about brix and how having low brix levels are prefered by insect herbivores because they only eat decaying matter #''cides'' also weakens the plant before cause they kill bacteria in the soil that plants need to be healthy #so if you kill these pests with poison you have no simple way to tell how healthy a plant is #i think thats so cool and mindblowing #plantourage

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petrareads · 2 years

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I think my laptop is calling me out for not editing my script because it’s started to suggest the name “Lily” (my protagonist) as a word I should start my sentences with...not really a subtle hint

#its kinda strange cause I'll be trying to right notes for my ecology lectures and ill be writing about soil bacteria or something #and itll be like !! write about lily!! and im like !!#i get it I get it im procrastinating #I don't know what to change so I'm not looking at my script !! which is bad !!#petrareads #petraposts #writeblr #university #studyblr #booklr

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wundertree · 8 days

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I was an avid Twitter user in my teenage years and early twenties. Here are some of my favourites from my first biology degree.

Starting today with good days for soil bacteria.

#science shit #science #university #tweet #science side of tumblr #soil ecology #bacteria

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