- Algal biology and biofuel production
- Photosynthetic Processes and Mechanisms
- Microbial Community Ecology and Physiology
- Protist diversity and phylogeny
- Marine and coastal ecosystems
- Biodiesel Production and Applications
- Biocrusts and Microbial Ecology
- Rural Development and Agriculture
- Microbial Fuel Cells and Bioremediation
- Metal Extraction and Bioleaching
- Academic Research in Diverse Fields
- Parasitic Infections and Diagnostics
- Electrocatalysts for Energy Conversion
- Seaweed-derived Bioactive Compounds
- Youth, Politics, and Society
- Corrosion Behavior and Inhibition
- Aquaculture disease management and microbiota
- Viral Infectious Diseases and Gene Expression in Insects
- Brazilian cultural history and politics
- Polar Research and Ecology
- Insect and Pesticide Research
- Bacillus and Francisella bacterial research
- Parasite Biology and Host Interactions
- Environmental DNA in Biodiversity Studies
- History, Culture, and Society
Universidade Federal de São Paulo
2019
Pontifícia Universidade Católica de São Paulo
2019
Universidade de Santa Cruz do Sul
2014-2016
Princeton University
2012-2014
Rutgers, The State University of New Jersey
2012-2014
Universidade Nova de Lisboa
2008
Significance When starved for nutrients, diatoms redirect carbon toward biosynthesis of storage lipids, triacylglycerols (TAGs). We examined how this modification is achieved in the diatom Phaeodactylum tricornutum. Under nitrogen stress, cells cannibalized their photosynthetic apparatus while recycling intracellular and redirecting it to synthesize assimilation enzymes. Simultaneously, they allocated newly fixed lipids. In contrast, a nitrate reductase knocked-down strain shunted ∼40% more...
Catabolism of glycogen stored by cyanobacteria occurs during anaerobic auto-fermentation and produces a range C1–C3 fermentation products hydrogen via hydrogenase. We investigated both augmenting rerouting this carbon catabolism engineering the glycolysis pathway at NAD+-dependent glyceraldehyde-3-phosphate dehydrogenase (GAPDH-1), its major regulation site nexus two pathways (Oxidative Pentose Phosphate pathway, OPP, glycolysis/gluconeogenesis). Null (gap1::aphII) overexpression (gap1+)...
The blastocladialean fungus Paraphysoderma sedebokerense Boussiba, Zarka and James is a devastating pathogen of the commercially valuable green microalga Haematococcus pluvialis, natural source carotenoid pigment astaxanthin. First identified in commercial cultivation facilities, P. hypothesised to have complex life cycle that switches between vegetative resting phase depending on favourable or unfavourable growth conditions. Rather unusually for fungi, was described as lacking flagellated...
Abstract The marine microalga Tisochrysis lutea , a Haptophyta with thin cell wall and currently used mainly in aquaculture is potential source of several bioactive compounds interest such as carotenoids. In the present study, simultaneous extraction purification fucoxanthin, main carotenoid from T. was optimized using pressurized fluid followed by in‐cell purification. An experimental design employed to maximize carotenoids’ extraction; factors chosen were: (i) percentage ethanol/ethyl...
Zoosporic parasites (i.e. fungi and fungi-like aquatic microorganisms) constitute important drivers of natural populations, causing severe host mortality. Economic impacts parasitic diseases are notable in the microalgae biotech industry, affecting production food ingredients, biofuels, pharma- nutraceuticals. While scientific research on this topic is gaining traction by increasing studies elucidating functional role zoosporic ecosystems, we currently lacking integrated interdisciplinary...
This study analyzed some factors responsible for the variability of production in Taquari Valley Rio Grande do Sul (RS), Brazil. The first objective was to evaluate rotational grazing with practice breeding heifers and their influences on gross annual income. second analyze if selection type investment quantity liters milk per year. As a research method, then conducted an analysis variance test two investigate billing found that significantly increased when farmers practiced selected...
After the coup d'état in 1964, there were occurrences of strong tensions and pressures coming from armed forces.Restricting this analyse to first years institutionalisation regime, we will summarise some conflicts that arose both military currents stood out at time: Sorbonne Line-hard.Both them constituted major groups.On face it, trend known as Hardline during dictatorship Brazil, highlighting regime (1964)(1965)(1966)(1967)(1968)(1969).