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Vacuoles in Biological News

Mate choice in plants

... (PELPIII), may play a role in movement of S-RNases into the pollen tube vacuoles and, if necessary, into the pollen tube cytoplasm, where they destroy RNA. ... degradation, and that it contains a sequence that targets it to the vacuoles of unpollinated stigmas. If incompatible pollen lands on these stigmas, ...

New study reveals the protein that makes phosphate chains in yeast

... of polyphosphates. Vtc4p is part of a protein complex called vacuolar transporter chaperone complex (VTC) that is usually found in the membranes of vacuoles pouches in which cells store molecules for later use, transport or destruction. "This protein is like a factory," says Klaus Scheffzek, whose ...

Tips from the Journals of the American Society for Microbiology

... S. enterica, and Listeria monocytogenes. They were then monitored for their ability to sequester the bacteria and for vesicle production (food vacuoles released by protozoa offering a means of protection to some bacteria). Results showed Glaucoma produced vesicles with all bacterial strains and ...

RING finger protein 5 may guide treatment for muscle disease in older adults

... to what is often seen in patients with IBM, muscle specimens from RNF5 overexpressing animals revealed the presence of structures known as rimmed vacuoles and congophilic inclusions, hallmarks of this disease. The researchers also found increased levels of markers characteristic of ER stress, a ...

Cornell researcher seeks clues to how tuberculosis infects cells

... College of Veterinary Medicine, and colleagues reported in a November issue of the journal Cell Host and Microbe, that increased acidity inside the vacuoles containing the bacteria serves as the trigger for M. tuberculosis genes to express proteins. The study also compared the responses of M. ...

Legionnaire's bacterial proteins work together to survive

... that are part of the immune system and eat cellular debris and toxins. Macrophages kill bacteria by transporting them in storage bubbles known as vacuoles to organelles that have enzymes to then break down the intruders. What makes this pathogen special is that it can control transport of the ...

The biggest bug in gut discomfort

... of intracellular hideouts. These C. jejuni-filled vacuoles make their own way toward the nucleus, taking up ... yet surprisingly the dyes were unable to enter vacuoles containing C. jejuni. The bug had left the ... pathway early and that the segregated C. jejuni vacuoles move to a perinuclear location where they become ...

Researchers discover how malaria parasite disperses from red blood cells

... the red blood cells and the merozoite-containing vacuoles inside them swelled and then burst like a balloon ... Another theory held that the merozoite-containing vacuoles would fuse with the cell membrane, and then ... theory also offered an inaccurate picture, as the vacuoles ruptured at roughly the same time as the cell ...

New egg freezing technique offers hope to hundreds of women

... normal when observed with LM, although some eggs showed the development of vacuoles (small cavities that sometimes contain water, food or metabolic waste) in ... those treated with EG and with the PrOH agent containing more sucrose, had vacuoles developing ?a process known as vacuolisation. Professor Nottola said: ...

Anti-wrinkle compound causes pathological reaction in skin cells

... In vitro tests conducted by Dr. Marceau’s team revealed that the application of DMAE induces a quick and spectacular swelling of skin cell vacuoles called fibroblasts, which act as reservoirs and interface between the inside and the outside of the cell. In the hours following the application ...

Targeted virus compels cancer cells to eat themselves

... no detectable brain tumors. Analyses of dead cancer cells showed telltale signs of autophagy: bits of virus in the cell nucleus and autophagic vacuoles -- cavities with residual digested material. The cells showed no sign of having been killed by apoptosis -- a much better known process of ...
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(Date:10/27/2014)... in German . ... interior via electrical signals, they communicate with each other ... messenger substances, the neurotransmitters, are stored in vesicles at ... these vesicles fuse with the cell membrane and release ... lost, synapses always have some readily releasable vesicles on ...
(Date:10/27/2014)... — Recent breakthroughs may pave the way for ... parasitic helminths. These flatworms, including tapeworms that cause ... flukes (schistosomes), infect more than 300 million people ... lost due to chronic illness and death each ... of microbiology, immunology, and tropical medicine, and scientific ...
(Date:10/27/2014)... 27, 2014—New results from a safety and immunogenicity ... efficacy, indicate that a live attenuated enterotoxigenic ... combination with a novel adjuvant, provided significant protection ... for this vaccine/adjuvant combination, which was 58.5 percent ... using a highly rigorous ETEC human challenge model. ...
Breaking Biology News(10 mins):Synapses always on the starting blocks 2Synapses always on the starting blocks 3GW researcher adapting breakthrough technologies to combat parasitic worm infections 2Clinical results indicate vaccine candidate highly efficacious against bacterial diarrhea 2
(Date:10/30/2014)... Chicago, IL (PRWEB) October 30, 2014 Dr. ... launched a new website for his practices; OB GYN ... Chicago, IL . This website contains important information about ... covers as well as downloadable patient forms in English and ... use and the service pages on the website provide Dr. ...
(Date:10/30/2014)... Rock Hill, South Carolina (PRWEB) October 30, 2014 ... a muscle, and should be more vigorously exercised to ... Grewal. He recently authored the book ‘Dementia Express: Lose ... , The book uses counterintuitive reasoning and sometimes conflicting ... an obstacle course for the mind, a reader must ...
(Date:10/30/2014)... who used stem cells to create miniature human stomachs ... new way to learn more about the development and ... pluripotent stem cells -- which can become any type ... functional miniature stomachs, to study infection by H. ... stomach cancer. The miniature stomachs offer many research ...
(Date:10/30/2014)... WEDNESDAY, Oct. 29, 2014 (HealthDay News) -- Americans, opinions ... political lines, a new study finds. Democratic voters ... (ACA), according to the researchers. Almost three-quarters of Democrats ... ACA. Thirty percent want Congress to implement the current ... of the ACA. Among Independent voters, one-third want ...
(Date:10/29/2014)... women at first acted surprised. Some insisted the blood tests ... not used the study products assigned to them as participants ... likely consequence, did not find any of the three products ... were among 127 former VOICE participants who, as part of ... in in-depth interviews and/or focus group discussions after learning the ...
Breaking Medicine News(10 mins):Health News:Dr. Joseph Furlin Launches New Website with Information about Care Services 2Health News:‘Dementia Express’ Offers Contradictory and Sometimes Reverse Thinking, All to Keep its Reader on Their Toes With an Active Mind. 2Health News:Voters' Views on Obamacare Split Along Party Lines 2Health News:Women who took part in VOICE speak up about why they didn't use HIV prevention products 2Health News:Women who took part in VOICE speak up about why they didn't use HIV prevention products 3
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