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Giordano, Mario,Norici, Alessandra,Beardall, John The Korean Society of Phycology 2017 ALGAE Vol.32 No.2
Fourier Transform Infrared (FTIR) spectroscopy was used to study carbon allocation patterns in response to N-starvation in the nearly ubiquitous diatom Chaetoceros muellerii. The role of gene expression, protein synthesis and transamination on the organic composition of cells was tested by using specific inhibitors. The results show that inhibition of key processes in algal metabolism influence the macromolecular composition of cells and and prior cell nutritional state can influence a cell's response to changing nutrient availability. The allocation of C can thus lead to different organic composition depending on the nutritional context, with obvious repercussions for the trophic web. This also shows that C allocation in algal cells is highly flexible and that C (and the energy associated with its allocation) can be variably and rapidly partitioned in algal cells in response to relatively short term perturbations. Furthermore, the data confirm and extend the utility of infrared spectroscopy as a probe of the metabolic state of autotrophic cells.
Mario Giordano,Alessandra Norici,John Beardall 한국조류학회I 2017 ALGAE Vol.32 No.2
Fourier Transform Infrared (FTIR) spectroscopy was used to study carbon allocation patterns in response to N-starvationin the nearly ubiquitous diatom Chaetoceros muellerii. The role of gene expression, protein synthesis and transaminationon the organic composition of cells was tested by using specific inhibitors. The results show that inhibitionof key processes in algal metabolism influence the macromolecular composition of cells and and prior cell nutritionalstate can influence a cell’s response to changing nutrient availability. The allocation of C can thus lead to different organiccomposition depending on the nutritional context, with obvious repercussions for the trophic web. This also shows thatC allocation in algal cells is highly flexible and that C (and the energy associated with its allocation) can be variably andrapidly partitioned in algal cells in response to relatively short term perturbations. Furthermore, the data confirm andextend the utility of infrared spectroscopy as a probe of the metabolic state of autotrophic cells.
Giuseppe Deiana,Genadi Genadiev,Antonio Nicola Giordano,Mario Moro,Francesco Spanu,Flavia Urru,Stefano Camparini 대한혈관외과학회 2021 Vascular Specialist International Vol.37 No.1
Primary malignant aortic tumors are rare and aggressive. Most cases are diagnosed at advanced stages or during autopsies with a median overall survival of 8 months from diagnosis. We present the case of a 59-year-old male with angiosarcoma involving all segments of the thoracic aorta and a large floating thrombus causing acute mesenteric ischemia, which was treated successfully with embolectomy. Graft replacement of the aorta should be considered in cases of localized disease and when patients are fit for surgery. The best medical and surgical treatment remains unclear, and further studies are needed.