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#genetics >> plant biology
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reasonsforhope · 5 months
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"A company in France has developed genetically-enhanced houseplants that remove 30 times more indoor air pollutants than your normal ficus.
Paint, treated wood, household cleaners, insulation, unseen mold—there is a shopping list of things that can fill the air you breathe in your home with VOCs or volatile organic compounds. These include formaldehyde and other airborne substances that can cause inflammation and irritation in the body.
The best way to tackle this little-discussed private health problem is by keeping good outdoor airflow into your living spaces, but in the dog days of summer or the depths of a Maine winter, that might not be possible.
Houseplants can remove these pollutants from the air, and so the company Neoplants decided to make simple alterations to these species’ genetic makeup to supercharge this cleaning ability.
In particular, houseplants’ natural ability to absorb pollutants like formaldehyde relies on them storing them as toxins to be excreted later.
French scientists and Neoplants’ co-founders Lionel Mora and Patrick Torbey engineered a houseplant to convert them instead to plant matter. They also took aim at the natural microbiome of houseplants to enhance their ability to absorb and process VOCs as well.
The company’s first offering—the Neo P1—is a Devil’s ivy plant that sits on a custom-designed tall stand that both maximizes its air-cleaning properties and allows it to be watered far less often.
Initial testing, conducted by the Ecole Mines-Telecom of Lille University, shows that if you do choose to shell out the $179 for the Neo P1, it’s as if you were buying 30 houseplants. Of course, if you went for the budget route of 30 houseplants, you’d have to water them all.
The founders pointed out in an interview done with Forbes last year that once they settled on the species and fixed the winning genetic phenotype, the next part of the process was just raising plants, the same activity done in every nursery and florist in every town in Europe."
Deliveries for the P1 are estimated for August 2024.
-via Good News Network, November 6, 2023
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Note: I'm not a plant biologist, but if this works the way the company's white paper says it does, holy genetic engineering, Batman.
(Would love to hear thoughts from anyone who is a plant biologist or other relevant field!)
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mindblowingscience · 2 years
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There's something really peculiar about ferns.
Their DNA is weird and complex. In fact, one species of fern – Ophioglossum reticulatum, or the adder's tongue fern – holds the record for the multicellular organism with the most number of chromosomes. Around 720 pairs of chromosomes can be found in most of its cellular nuclei.
Well, turns out we were right to be suspicious.
After years of painstaking work, scientists have finally sequenced the gargantuan genomes of three different homosporous ferns, revealing that these pernicious plants have not only been hoarding DNA, they've been stealing it from other organisms – and doing so for millions of years.
Continue Reading.
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katiajewelbox · 9 months
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The surprising diversity of Pineapples (Ananas comosus).
The Active Pineapple Germplasm Bank (Pineapple AGB) of Embrapa Cassava & Fruits (Embrapa/ CNPMF) has more than 700 accessions under field conditions. As backups, there are copies kept in a greenhouse, with one or two plants per accession, cultivated in plastic pots with commercial substrate. An in vitro gene bank was established in 2003, and during the past few years, several studies have been carried out to improve the in vitro conservation protocol. Currently, about 60% of the AGB’s accessions are preserved by this protocol. Another conservation strategy used is cryopreservation of shoot tips and pollen grains, with well-defined methods. One of the most significant advances in the pineapple germplasm conservation has been the implementation of a quality control system, which enabled to define standard operation procedures (SOP) towards a more efficient and safer germplasm conservation.
Source:
Vidigal Souza, Fernanda & Souza, Everton & Aud, Fabiana & Costa, Eva & Silva, Paulo & Andrade, Eduardo & Rebouças, Danilo & Andrade, Danilo & Sousa, Andressa & Pugas, Carlos & Rebouças, Érica & França, Beatriz & França, Rivã. (2022). Advances in the conservation of pineapple genetic resources at Embrapa Cassava and Fruits. 28. 28-33.
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teachersource · 9 months
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Gregor Mendel was born on July 20, 1822. A biologist, meteorologist, mathematician, Augustinian friar and abbot of St. Thomas' Abbey in Brünn (Brno), Margraviate of Moravia. He gained posthumous recognition as the founder of the modern science of genetics. Though farmers had known for millennia that crossbreeding of animals and plants could favor certain desirable traits, Mendel's pea plant experiments conducted between 1856 and 1863 established many of the rules of heredity, now referred to as the laws of Mendelian inheritance.
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ravenwolfie97 · 7 months
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man i know i'm not the smartest person in the world but watching smosh do trivia makes me feel like a god
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melgarutti · 1 year
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Dez perguntas para um profissional da sua área de atuação futura.
Ciências Biológicas
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A área que tenho interesse é Biologia, ciências biológicas.
1- Gostar de natureza, animais e plantas é suficiente para fazer o curso?
2- O que te motivou a realmente realizar o curso?
3- Qual área da biologia você atua? Ficou em dúvida ao escolher?
4- Onde você fez faculdade? Onde gostaria de ter feito? Experiência no curso e matérias preferidas.
5- Em que área faltam profissionais de ciência biológica?
6- Qual o perfil de quem estuda biologia?
7- Qual universidade escolher?
8- Você fez pós-graduação, acha importante ter uma especialização?
9- Qual os salários da sua área de atuação?
10- Em situações práticas e não teóricas, onde biólogos atuam? Sua carreira inclui viagens, expedições, e etc?
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artofthemindblog · 2 years
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Mystical-Religious Origins of the Phylogenetic Tree
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Bible des capucins, 1180
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Hamburg Cathedral Polyptych,1499. Musée de Varsovie
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Tree of life by Haeckel, 1879
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A Novel Representation Of The Tree Of Life by  Laura A. Hug et al.,  2016
   The Tree of Jesse is a depiction in art of the ancestors of Jesus Christ, shown in a branching tree which rises from Jesse of Bethlehem, the father of King David. It is the original use of the family tree as a schematic representation of a genealogy.
Pictorial representations of the Jesse Tree show a symbolic tree or vine with spreading branches to represent the genealogy in accordance with Isaiah's prophecy. In the medieval period, when heredity was all-important, much greater emphasis than today was placed on the actual royal descent of Jesus, especially by royalty and the nobility, including those who had joined the clergy. Between them, these groups were responsible for much of the patronage of the arts. During the Medieval era the symbol of the tree as an expression of lineage was adopted by the nobility and has passed into common usage initially in the form of the family tree and later as a mode of expressing any line of descent. The form is widely used as a table in such disciplines as biology. It is also used to show lines of responsibility in personnel structures such as government departments. - Wikipedia
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catis15 · 2 months
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For people who know more than me, are there cases of a species having looks based off of environmental that aren't necessarily genetic?
I'm aware of mutations, heredity, diet based coloring, natural selection, and such.
But is there a phenomenon outside of those, particularly one that doesn't take generations to achieve? Say all species are born idk green, but if an individual moves to a place with a lot of grey stones, that individual would turn grey. Or say an individual is born in a frield where yellow flowers are common and therefore has yellow speckling, but it's sibling with the same parents was born where red flowers are common so it has red speckling instead.
If this is possible (specifically the last one) is it possible to not change after a certain point? So that sibling A with yellow speckling moves to somewhere with blue flowers it either doesn't change, or it starts to but reaches the age where such changes stop before it could become completely blue speckled?
Hope that makes sense 😅😅
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we are not getting out of the plant blog allegations with this one
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tenth-sentence · 6 months
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In the United States and England, Mendelism was immediately embraced by a number of students of evolution, among them the British biologist William Bateson, and by agricultural breeders like William J. Spillman, a plant scientist at Washington State College, who in 1902, in the course of developing a variety of true winter wheat, discovered that the results of his crosses displayed an astonishing regularity explicable by Mendel's theory.
"In the Name of Eugenics: Genetics and the Uses of Human Heredity" - Daniel J. Kevles
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mindblowingscience · 7 months
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A fascinating parasitic plant found lurking in clusters around the bases of trees has optimized its living strategy so well it's been able to prune nearly a third of its genome. The genus, known as Balanophoraceae, might be mistaken for a strange, fleshy, pink fungus, poking almost phallically out of the leaf litter. With a pungent aroma akin to that of carnal rot, the parasite is far from plant-like. But what appears to be a mushroom cap is actually a flower head, its roots tightly enmeshed in those of the tree it lurks beneath – a successful parasitic relationship, where Balanophora slurps nutrients from the other organism.
Continue Reading.
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katiajewelbox · 1 month
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Meet more inspiring women from the world of plant science in honour of Women's History Month 2024!
Mary-Dell Chilton
Modern plant biotechnology would not be possible without the groundbreaking discoveries of Mary-Dell Chilton ( February 2nd, 1939 – present). Much of plant genetic engineering relies on the microbe Agrobacterium tumefaciens to insert genes of interest into the host plants’ genetic code to produce transgenic plants in subsequent generations. This was not possible before Mary-Dell Chilton found the crucial link between Agrobacterium and modification of plant DNA in 1977 by modifying the bacterial plasmid responsible for gene transfer. She has authored over 100 scientific publications and won numerous awards over her long career.
Jeanne Baret
A swashbuckling French woman who lived part of her life disguised as a man, Jeanne Baret (27 July 1740 – 5 August 1807) was a botanist in the crew of explorer Louis Antoine de Bougainville’s voyages which circumnavigated the globe between 1766 and 1769. A person from humble peasant origins in Burgundy who was orphaned by age 15, Jeanne became the housekeeper and later life partner of botanist Philibert Commerson. As part of the expedition's crew, the couple discovered and scientifically described many new plant species in South American, Southeast Asia, and Oceania. However, women were not permitted on French navy ships in the 18th century so Jeanne disguised herself as a man to accompany her partner.
#katia_plantscientist#history#womenshistorymonth#womenshistorymonth2024#marydellchilton#jeannebaret#womeninscience#womenscientists#botany#historyofbotany#botanist#agrobacterium#agrobacteriumtumefaciens#swashbuckling#explorer
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oh-dear-so-queer · 1 year
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The transcription factors that bind to cis-acting sequences are called trans-acting factors, since the genes that encode them are located elsewhere in the genome.
"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.
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savitrbioscience · 1 year
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Pathogens are organisms that cause disease. There are four main types of pathogenic microorganisms: bacteria, viruses, fungi, and protozoa. Pathogens are a major cause of illness and death around the world, so it is important to understand them. Pathogenicity is the capacity of a microorganism to produce pathologic changes in the host, while virulence is a measure of the degree of pathogenicity. To cause disease, pathogenic microorganisms must first overcome physical and chemical barriers, attach to and invade host cells, multiply within cells, and finally cause cell damage.
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