[HN Gopher] One centimeter long bacterium discovered
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One centimeter long bacterium discovered
Author : deathgripsss
Score : 88 points
Date : 2022-06-23 19:53 UTC (3 hours ago)
(HTM) web link (www.science.org)
(TXT) w3m dump (www.science.org)
| baltimore wrote:
| Here is what I want to see when I click that link: a picture. Of
| a bacterium. Next to a ruler. Thank you.
|
| UPDATE: My bad, there are plenty of pictures in the supplemental
| materials downloadable further down the page
| xnx wrote:
| Dime for scale:
| https://www.nytimes.com/2022/06/23/science/giant-bacterium.h...
| mensetmanusman wrote:
| Build the software to make this possible:
|
| The trouble is that when writers are discussing scientific
| research, they could be sued if they use the images in the
| article without permission.
|
| There needs to be an easy way to revenue share with publishers
| when these copyrighted images are used. It would definitely be
| a win-win scenario.
| taneq wrote:
| Is this not precisely what fair use is about?
| Mirioron wrote:
| I see this being downvoted, but images are copyrighted. Using
| an image for illustrative purposes is not fair use, is it?
| Therefore the articles can't just share the same images.
| [deleted]
| AnimalMuppet wrote:
| Hmm. I could swear that, when I first clicked on it, there was
| a picture of several of them, next to a dime. (Also, left-right
| reversed - you could tell by the writing on the dime.)
| lxe wrote:
| Still annoying... have to download them and such.
| JoeAltmaier wrote:
| https://backoffice.sciencesetavenir.fr/sites/sea/files/2022-...
| Metacelsus wrote:
| Interesting. It seems like
| https://en.wikipedia.org/wiki/Thiomargarita_namibiensis only much
| larger.
|
| (Previous coverage discussing the preprint:
| https://www.science.org/content/article/largest-bacterium-ev... )
| beefman wrote:
| Human neurons can be a meter long.
| Symmetry wrote:
| Those have got glial cells to help support the parts far from
| the nucleus. Plus they're in a cooperative multicellar
| environment, not off by their lonesome.
| im3w1l wrote:
| Really neat bacterium. Sounds like it's on the verge of becoming
| an eukaryote.
|
| https://www.newscientist.com/article/2325909-largest-known-b...
| pvaldes wrote:
| Hum... I'm unsure and my sea spider sense is tingling. My first
| impression would be an egg sack like those from Opisthobranchia
| that could explain the DNA in pouches, or maybe a small bryozoa.
| If is covered in bacteria it could explain the genetic analysis.
|
| Another possibility would be some kind of crystals growing from
| sulfur and covered in bacteria.
|
| We need and electronic microscope image here and hystological
| cuts stained with gram.
| chrisbrandow wrote:
| Amazing that cell walls are strong enough to maintain integrity
| at that size!
| nonsapreiche wrote:
| not to mention the cell that is a chicken egg
| sedatk wrote:
| Biologically, an eggshell isn't a cell wall.
| stjohnswarts wrote:
| ostrich egg?
| randoglando wrote:
| Ostrich yolk technically
| 6equj5 wrote:
| Check out this one:
| https://en.wikipedia.org/wiki/Valonia_ventricosa
| Teknoman117 wrote:
| The cytoplasm of those are very interesting. It has multiple
| partitions, and the cytoplasm is very viscous. They don't
| "pop" if there is damage or leak all their contents into the
| water. They can repair some amount of damage.
| atmb4u wrote:
| went down the rabbit hole and found this: Largest single cell
| organism (1.6 inches)
| https://en.wikipedia.org/wiki/Valonia_ventricosa
| sigmoid10 wrote:
| >The entire cell contains several cytoplasmic domains with each
| domain having a nucleus and a few chloroplasts.
|
| This somehow feels like a multicellular organism that didn't
| _quite_ make the jump that other eukaryotes did.
| Byamarro wrote:
| These are even bigger (20cm/8in):
| https://en.m.wikipedia.org/wiki/Xenophyophorea
| jasonhansel wrote:
| Not the only unicellular organism visible to the naked eye. For
| example: https://en.wikipedia.org/wiki/Valonia_ventricosa
| progman32 wrote:
| Aside: Searching for "Valonia ventricosa" in YouTube gives me
| absolutely atrocious results. A bunch of clickbait medical
| things and random gross-out stuff. Bleh. Anyone else?
| Symmetry wrote:
| I guess being long and thin they don't violate the square/cube
| laws that normally keep bacteria from getting too big given that
| they have to use their outer walls rather than mitochondria to
| respirate. Still very impressive.
| JoeAltmaier wrote:
| Some larger bacteria use a water sac inside to push all the
| living components close to the surface. So osmosis can feed
| them oxygen. I wonder if this one does that?
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(page generated 2022-06-23 23:00 UTC)