Differential heavy metal sensitivity in seven algal species from the NIES culture collection based on delayed fluorescence assays

2019 ◽  
Vol 68 (1) ◽  
pp. 41-49
Author(s):  
Shuhei Ota ◽  
Haruyo Yamaguchi ◽  
Faustine Vanel ◽  
Shigeshi Fuchida ◽  
Hiroshi Koshikawa ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Algal Species ◽  
Culture Collection ◽  
Delayed Fluorescence ◽  
Metal Sensitivity ◽  
Fluorescence Assays

Development of a waste-derived lignin-porphyrin bio-polymer with enhanced photoluminescence at high water fraction with wide pH range and heavy metal sensitivity investigations

2019 ◽  
Vol 21 (6) ◽  
pp. 1319-1329 ◽  
Author(s):  
Ho-Yin TSE ◽  
Shun-Cheung Cheng ◽  
Chi Shun Yeung ◽  
Chun-Yin Lau ◽  
Wing-Hei Wong ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
High Water ◽  
Water Fraction ◽  
Enhanced Photoluminescence ◽  
Metal Sensitivity ◽  
Wide Ph Range ◽  
Bio Imaging ◽  
Ph Range

A new lignin-porphyrin bio-polymer (AL-CTPP) for potential bio-imaging and heavy metals sensing.

Correlations Between Specific Algae and Heavy Metal Binding in Lakes

1978 ◽  
Vol 35 (11) ◽  
pp. 1482-1485 ◽  
Author(s):  
Frédéric Briand ◽  
Ramiro Trucco ◽  
S. Ramamoorthy
Keyword(s):  
Heavy Metal ◽  
Green Algae ◽  
Metal Binding ◽  
Physicochemical Parameters ◽  
Binding Capacity ◽  
Algal Species ◽  
Freshwater Phytoplankton ◽  
Heavy Metal Binding ◽  
A Minor

Long-term experiments conducted at Heney Lake, Quebec, show the binding capacity for the metal ions Cu2+, Hg2+, Pb2+, and Cd2+ to be related to algal species composition rather than to total algal biomass or physicochemical parameters. Most of the binding could be accounted for by certain species of green algae, diatoms, and chrysomonads that usually constituted only a minor fraction of the total algal volume. Key words: freshwater phytoplankton, heavy metal binding, field study, diatoms, chrysomonads, green algae

Delayed fluorescence imaging of photosynthesis inhibitor and heavy metal induced stress in potato

2012 ◽  
Vol 7 (3) ◽  
pp. 531-541 ◽  
Author(s):  
Jaka Razinger ◽  
Luka Drinovec ◽  
Maja Berden-Zrimec
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Fluorescence Imaging ◽  
Methyl Viologen ◽  
Spatial Information ◽  
Fluorescence Yield ◽  
Delayed Fluorescence ◽  
Plant Leaves ◽  
Induced Stress ◽  
Prompt Fluorescence

AbstractEarly chemical-induced stress in Solanum tuberosum leaves was visualized using delayed fluorescence (DF) imaging. The ability to detect spatially heterogeneous responses of plant leaves exposed to several toxicants using delayed fluorescence was compared to prompt fluorescence (PF) imaging and the standard maximum fluorescence yield of PSII measurements (Fv/Fm). The toxicants used in the study were two photosynthesis inhibitors (herbicides), 100 µM methyl viologen (MV) and 140 µM diuron (DCMU), and two heavy metals, 100 µM cadmium and 100 µM copper. The exposure times were 5 and 72 h. Significant photosynthesis-inhibitor effects were already visualized after 5 h. In addition, a significant reduction in the DF/PF index was measured in DCMU- and MV-treated leaves after 5 h. In contrast, only DCMU-treated leaves exhibited a significant decrease in Fv/Fm after 5 h. All treatments resulted in a significant decrease in the DF/PF parameter after 72 h of exposure, when only MV and Cd treatment resulted in visible symptoms. Our study highlights the power of delayed fluorescence imaging. Abundant quantifiable spatial information was obtained with the instrumental setup. Delayed fluorescence imaging has been confirmed as a very responsive and useful technique for detecting stress induced by photosynthesis inhibitors or heavy metals.

Differential heavy-metal sensitivity in two cryptic species of the marine nematode Litoditis marina as revealed by developmental and behavioural assays

2018 ◽  
Vol 502 ◽  
pp. 203-210 ◽  
Author(s):  
Luana C. Monteiro ◽  
Jana Van Butsel ◽  
Nele De Meester ◽  
Walter Traunspurger ◽  
Sofie Derycke ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Cryptic Species ◽  
Marine Nematode ◽  
Metal Sensitivity

Heavy Metal Sensitivity of Seagrass Rhizoplane and Sediment Bacteria

1982 ◽  
Vol 25 (1) ◽  
Author(s):  
G. W. Smith ◽  
Ann M. Kozuchi ◽  
S. S. Hayasaka
Keyword(s):  
Heavy Metal ◽  
Metal Sensitivity ◽  
Sediment Bacteria

Adenylyl cyclase regulates heavy metal sensitivity, bikaverin production and plant tissue colonization inFusarium proliferatum

2010 ◽  
Vol 50 (1) ◽  
pp. 59-71 ◽  
Author(s):  
Gábor Kohut ◽  
Brigitta Oláh ◽  
Attila L. Ádám ◽  
Jorge García-Martínez ◽  
László Hornok
Keyword(s):  
Heavy Metal ◽  
Adenylyl Cyclase ◽  
Plant Tissue ◽  
Metal Sensitivity
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