scholarly journals Morphological Transition of the Compact Radio Lobe in 3C 84 via the Strong Jet–Cloud Collision

2021 ◽  
Vol 920 (1) ◽  
pp. L24
Author(s):  
Motoki Kino ◽  
Kotaro Niinuma ◽  
Nozomu Kawakatu ◽  
Hiroshi Nagai ◽  
Gabriele Giovannini ◽  
...  
2020 ◽  
Vol 53 (16) ◽  
pp. 7198-7206 ◽  
Author(s):  
Seonghan Lee ◽  
Jaeman J. Shin ◽  
Kang Hee Ku ◽  
Young Jun Lee ◽  
Se Gyu Jang ◽  
...  

Lithos ◽  
2021 ◽  
Vol 382-383 ◽  
pp. 105949
Author(s):  
Nicole Dilissen ◽  
Károly Hidas ◽  
Carlos J. Garrido ◽  
Vicente López Sánchez-Vizcaíno ◽  
Wolf-Achim Kahl

2011 ◽  
Vol 40 (5) ◽  
pp. 435-437 ◽  
Author(s):  
Kojiro Shimojo ◽  
Hisayoshi Mitamura ◽  
Tsuyoshi Mouri ◽  
Hirochika Naganawa

Pathogens ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 466
Author(s):  
Martyna Mroczyńska ◽  
Anna Brillowska-Dąbrowska

The factors enabling Candida spp. infections are secretion of hydrolytic enzymes, adherence to surfaces, biofilm formation or morphological transition, and fitness attributes. The aim of this study was to investigate the correlation between known extracellular virulence factors and survival of Galleria mellonella larvae infected with clinical Candida. The 25 isolates were tested and the activity of proteinases among 24/24, phospholipases among 7/22, esterases among 14/23, hemolysins among 18/24, and biofilm formation ability among 18/25 isolates was confirmed. Pathogenicity investigation using G. mellonella larvae as host model demonstrated that C. albicans isolates and C. glabrata isolate were the most virulent and C. krusei isolates were avirulent. C. parapsilosis virulence was identified as varied, C. inconspicua were moderately virulent, and one C. palmioleophila isolate was of low virulence and the remaining isolates of this species were moderately virulent. According to our study, virulence of Candida isolates is related to the expression of proteases, hemolysins, and esterases.


2005 ◽  
Vol 71 (7) ◽  
Author(s):  
W. B. Su ◽  
H. Y. Lin ◽  
Y. P. Chiu ◽  
H. T. Shih ◽  
T. Y. Fu ◽  
...  

2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Ganesh Shete ◽  
Shyamprasad Karagadde ◽  
Atul Srivastava

AbstractThe present work reports the morphological transition during solidification of a non-metallic system. Pure magnesium silicate (Mg2SiO4) is chosen as the model material and the solidification experiments have been conducted under purely non-contact conditions using the principles of aerodynamic levitation. The influence of the undercooling and cooling rates on the surface features observed in the solidified samples is investigated. Levitation experiments have been performed for different samples, which are solidified for a range of undercooling levels between 360 to 1100° C. In order to understand and report the morphological transitions, solidified samples have been observed using scanning electron microscopy, which showed the formation of highly branched faceted microstructure for an undercooling regime of 360–800° C, and non-dendritic microstructure for even higher undercooling regime of 800–1100° C. Further experiments performed on this non-metallic system for different cooling rates also suggested that, regardless of the cooling rate, lower undercooling leads to branched faceted features, whereas higher undercooling results into unbranched facets. The methodology and instrumentation provide unique capabilities to probe the behavior of materials at high temperatures.


2021 ◽  
pp. 117313
Author(s):  
Yong Lu ◽  
Benjamin Derby ◽  
Sriram Hariharan ◽  
Kamal Kadirvel ◽  
Cuiping Wang ◽  
...  

Genome ◽  
2006 ◽  
Vol 49 (4) ◽  
pp. 346-353 ◽  
Author(s):  
Ellen C Jensen ◽  
Jacob M Hornby ◽  
Nicole E Pagliaccetti ◽  
Chuleeon M Wolter ◽  
Kenneth W Nickerson ◽  
...  

Candida albicans is a diploid fungus that undergoes a morphological transition between budding yeast, hyphal, and pseudohyphal forms. The morphological transition is strongly correlated with virulence and is regulated in part by quorum sensing. Candida albicans produces and secretes farnesol that regulates the yeast to mycelia morphological transition. Mutants that fail to synthesize or respond to farnesol could be locked in the filamentous mode. To test this hypothesis, a collection of C. albicans mutants were isolated that have altered colony morphologies indicative of the presence of hyphal cells under environmental conditions where C. albicans normally grows only as yeasts. All mutants were characterized for their ability to respond to farnesol. Of these, 95.9% fully or partially reverted to wild-type morphology on yeast malt (YM) agar plates supplemented with farnesol. All mutants that respond to farnesol regained their hyphal morphology when restreaked on YM plates without farnesol. The observation that farnesol remedial mutants are so common (95.9%) relative to mutants that fail to respond to farnesol (4.1%) suggests that farnesol activates and (or) induces a pathway that can override many of the morphogenesis defects in these mutants. Additionally, 9 mutants chosen at random were screened for farnesol production. Two mutants failed to produce detectable levels of farnesol.Key words: farnesol-remedial mutants, farnesol-sensing mutants, farnesol-synthesis mutants, quorum sensing, Candida albicans, morphological transition.


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