Factors affecting swimming speed in the rotifer Brachionus plicatilis

2006 ◽  
pp. 375-380 ◽  
Author(s):  
Manuel Yúfera ◽  
E. Pascual ◽  
J.M. Olivares
Keyword(s):  
Swimming Speed ◽  
Brachionus Plicatilis ◽  
Factors Affecting ◽  
Rotifer Brachionus Plicatilis

Factors Affecting Swimming Speed in the Rotifer Brachionus plicatilis

Hydrobiologia ◽  
2005 ◽  
Vol 546 (1) ◽  
pp. 375-380 ◽  
Author(s):  
Manuel Yúfera ◽  
E. Pascual ◽  
J.M. Olivares
Keyword(s):  
Swimming Speed ◽  
Brachionus Plicatilis ◽  
Factors Affecting ◽  
Rotifer Brachionus Plicatilis

Mass production and preservation of the resting eggs of the euryhaline rotifer Brachionus plicatilis and B. rotundiformis

Aquaculture ◽  
1997 ◽  
Vol 155 (1-4) ◽  
pp. 223-230 ◽  
Author(s):  
A. Hagiwara ◽  
M.D. Balompapueng ◽  
N. Munuswamy ◽  
K. Hirayama
Keyword(s):  
Mass Production ◽  
Brachionus Plicatilis ◽  
Resting Eggs ◽  
Rotifer Brachionus Plicatilis

Ecological factors affecting gene flow in the Brachionus plicatilis complex (Rotifera)

Oecologia ◽  
1997 ◽  
Vol 111 (3) ◽  
pp. 350-356 ◽  
Author(s):  
Africa Gómez ◽  
María José Carmona ◽  
Manuel Serra
Keyword(s):  
Gene Flow ◽  
Brachionus Plicatilis ◽  
Ecological Factors ◽  
Factors Affecting

scholarly journals Using the Marine Rotifer Brachionus plicatilis as an Endpoint to Evaluate Whether ROS-Dependent Hemolytic Toxicity Is Involved in the Allelopathy Induced by Karenia mikimotoi

Toxins ◽  
2018 ◽  
Vol 10 (11) ◽  
pp. 439 ◽  
Author(s):  
Yuanyuan Li ◽  
Jianfei Yu ◽  
Tianli Sun ◽  
Chunchen Liu ◽  
Yu Sun ◽  
...  
Keyword(s):  
Cell Suspension ◽  
Brachionus Plicatilis ◽  
Intact Cell ◽  
Cell Suspensions ◽  
Intrinsic Rate Of Increase ◽  
Spawning Period ◽  
Karenia Mikimotoi ◽  
Rotifer Brachionus Plicatilis ◽  
Hemolytic Toxicity ◽  
Marine Rotifer

The toxic effects of the typically noxious bloom-forming dinoflagellate Karenia mikimotoi were studied using the allelopathic experimental system under controlled laboratory conditions. The potency of intact cell suspensions with whole cells, cell-free culture filtrate in different growth phases, and lysed cells with ultrasonication were compared, and the growth and reproduction of the marine rotifer Brachionus plicatilis were used as endpoints to evaluate toxic differences. The intact cell suspension resulted the most significant growth inhibition, including lethality, on the growth of B. plicatilis (p < 0.05). Lysed culture medium treated with ultrasonication and the cell-free culture filtrates at either the exponential or stationary phase exhibited limited negative impacts compared to the control according to changes in the population growth rate (r) and survival rate (p > 0.05). Reproduction presented a similar tendency to change, and the number of eggs produced per individual, as well as spawning period decreased in the whole cell and lysed cell suspensions. The key parameters in the lift table include the net reproductive rate (R0) and the intrinsic rate of increase (rm), which were more sensitive to treatment and were significantly suppressed compared to that of the control. The addition of the ROS inhibitor N-acetylcysteine (NAC) could not change the growth or reproduction patterns. Moreover, substantial hemolytic toxicity was found in the treatment of the intact cell suspension (p < 0.05), while limited toxicity was found in other treatments compared to that of the control. K. mikimotoi was speculated to secrete allelopathic substances onto the cell surface, and direct cell contact was necessary for allelopathic toxicity in B. plicatilis. Reactive oxygen species (ROS)-independent hemolytic toxicity was assumed to be the explanation for what was observed.

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