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A blog for sharing appreciation of the width and depth of microbes and microbial activities on this planet.

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The Who-Ate-Whom of Terms in Biology: Virovory

by Christoph  
Like with the cus­to­ma­ry New Year's Eve fire­works, eve­ry year we bio­lo­gists are blessed with hi­ther­to un­known or lar­ge­ly un­com­mon sci­en­ti­fic terms. Some stick, others blaze away like said fire­works. How would you guess the term "vi­ro­vo­ry," which was ad­ded to Wi­ki­pe­dia on 29 Decem­ber 2022, will fare? Read more →

Posted on January 16, 2023 at 01:30 AM in Ecology, Protists, Viruses | Permalink | Comments (0)

Luciferin in Scintillons at Sea

by Janie 
Summer through au­tumn is the time of year for ma­rine di­no­fla­gel­lates' famed light fes­ti­vals. If the con­di­tions are just right, the roll of an ocean wave or the push of a ka­yak paddle or the sway of your legs as you wade in deep­er is enough to set the wa­ters... Read more →

Posted on December 15, 2022 at 01:30 AM in Behavior, Physiology & Genetics, Protists | Permalink | Comments (0)

In the Company of Bacteria: Amoebae

by Christoph  
In times long past, highly evolved eu­karyotes, for ex­ample bio­chemists, oc­ca­sio­nal­ly quip­ped that bac­ter­ia were noth­ing more than a bag of en­zymes. Well, from the per­spec­tive of bac­ter­ia, one could easi­ly re­turn the com­pli­ment: eu­kar­y­o­tes, for ex­ample single-cel­led amoe­bae, are little more than a... Read more →

Posted on October 24, 2022 at 01:30 AM in Ecology, Pathogens, Physiology & Genetics, Protists, Symbioses, Teachers Corner | Permalink | Comments (0)

A Dinoflagellate and its Mucosphere

by Christoph
There are strikingly dif­fer­ent table man­ners among hu­man cul­tures past and pre­sent when it comes to food in­gest­ion, who wouldn't know. Not so with our single-cel­led eu­kar­yo­tic re­la­tives, the pro­tists, who gobble up eve­ry­thing that feels and smells about right? Wrong. En­gulf­ment, as bio­lo­gists call this be­ha­vio­ral pro­cess is a bit like put­ting a bowl of ra­men noo­dles to your lips and... Read more →

Posted on September 05, 2022 at 01:30 AM in Physiology & Genetics, Protists | Permalink | Comments (0)

Why Calcify?

by Roberto  
Janie's re­cent Bio-Brick post, where she in­tro­duces mi­cro­bi­al­ly in­duced cal­cite pre­ci­pi­ta­tion, prompt­ed me to con­tinue on the to­pic. In con­trast to the amor­phous chalk Janie de­scribed, which is pro­duced by bac­te­ria from lime­stone, I'll be de­scrib­ing a ve­ry dif­ferent sort of chalk. Still cal­cium car­bo­nate, but with a com­ple­te­ly dif­fer­ent ge­ne­sis. Read more →

Posted on October 04, 2021 at 02:30 AM in Ecology, Evolution, Physiology & Genetics, Protists | Permalink | Comments (0)

A Whiff of Taxonomy – The Apicomplexa

by Elio | The phylum Apicomplexa encompasses a large number of obligate intracellular parasitic protists, including the Plasmodium of malaria, toxoplasma, cryptosporidium, coccidia, and many others. Read more →

Posted on November 12, 2020 at 04:00 AM in Protists | Permalink | Comments (0)

Unicellular Capsaspora and animal multicellularity

by Victoria Shabardina | It is common in biolo­gy to look at little things to learn how the big parts work: we study mo­le­cul­es to un­der­stand cells and study or­gans to know how the bo­dy funct­ions. But it is dif­fer­ent with Cap­sa­spo­ra, be­cause it is a whole, a com­plete single-cell or­gan­ism, and it is ac­ti­ve­ly stu­died for elu­ci­dat­ing how... Read more →

Posted on May 25, 2020 at 01:13 AM in Evolution, Protists | Permalink | Comments (0)

Proteorhodophytina: Obscure Red Algae Are Keepers of Deep Evolutionary Secrets

by Lukáš Novák | You may be familiar with some red al­gae even with­out rea­liz­ing it, as many spe­cies have pro­found eco­lo­gi­cal, in­dus­tri­al, and cu­li­na­ry im­port­ance! Ma­cro­scopic red al­gae re­pre­sent one third of all sea­weeds grown in aqua­cul­ture world­wide and cre­ate half of the eco­no­mic value ge­ne­ra­ted by this in­dus­try. Among the most com­mon­ly used are spe­cies of the genus Py­ro­pia... Read more →

Posted on April 06, 2020 at 01:49 AM in Evolution, Protists | Permalink | Comments (0)

More Respect For the Silicon Cycle, Please

by Elio | Silicon is the second most abundant element within Earth’s crust and is necessary for the livelihood of protists, plants, and animals. Maybe best known, silica (SiO2 or opal) is used by marine organisms such as diatoms and rhizarians to build their glassy and often beautiful shells. Read more →

Posted on August 20, 2018 at 02:10 AM in Ecology, Protists | Permalink | Comments (0)

Ocean's Tiniest Predator – Um, Really?

by Christoph | Three months ago, I introduced to this blog "Ocean's Ti­ni­est Pre­da­tor" based on a very re­cent pa­per by Ka­men­na­ya et al. (2018) who claimed to have iden­ti­fied Braa­ru­do­sphae­ra bi­ge­lo­wii, a mem­ber of the pho­to­syn­the­tic al­gal clade Hap­to­phy­ta, as a pre­da­tor of the abun­dant ma­ri­ne Cya­no­bac­te­ri­um Pro­chlo­ro­coc­cus. Our rea­der Be­ne­det­to pointed out... Read more →

Posted on May 07, 2018 at 02:13 AM in Ecology, Physiology & Genetics, Protists | Permalink | Comments (0)

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