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Instituto de Biologia Unicamp
Abstracta 2003








P158-02 Experimental Paracoccides brasiliensis infection increases apoptotic rate in thymus
Souto PCS, Brito VN, Gameiro J, Ricci LC, Cruz-Höfling MA, Verinaud L*
Many works have shown that immunosuppressive effects induced by systemic mycosis can be related with damage in primary lymphoid organs. Previous studies in our laboratory showed that Paracoccidioides brasiliensis was able to invade the thymus, inducing a severe atrophy. In this study, we evaluated the relationship between apoptosis and thymic alterations caused by P. brasiliensis in experimentally infected BALB/c mice. A large number of cells showing nuclear condensation and karyorrhectic changes was observed. By TUNEL technique, it was noticed an increase of apoptotic index during early stages of the infection. We believe that this argument could be involved in the immunosuppressive phenomenon frequently observed during the paracoccidioidomycotic infection in humans and experimental models.
Annual Review of Biomedical Sciences 4: 141-145, 2002 (= A024-02)

P159-02 Inmunodiagnostico de las infecciones por Strongyloides stercoralis en Chile utilizando la prueba de Elisa
Mercado R, Jercic MI, Torres P, Alcayaga , Costa-Cruz JM, Paula FM, Ueta MT*
En presente estudio se efetuó la estandarización de una prueba ELISA para el diagnóstico de la strongyloidiais humana. Esta herramienta permitirá contribuir al estudio de casos clínicos de la parasitosis así como la determinación de la situación epidemiológica da la infección en Chile.
Revista Médica de Chile 130: 1358-1364, 2002. IF = 0.292

P160-02 Cytotoxicity of derivatives from dehydrocrotonin on rat cultured hepatocytes
Melo PS, Durán N, Háun M*
Human & Experimental Toxicology 21: 281-288, 2002. IF = 0.954

P161-02 Cytopathology of callus cells infected with grapevine leafroll-associated virus 3
Scagliusi SMM, Vega J*, Kuniyuki H
Fitopatologia Brasileira 27: 384-388, 2002.

P162-02 The use of molecular beacons combined with NASBA for the sensitive detection of Sugarcane yellow leaf virus
Gonçalves MC, Klerks MM, Verbeek M, Vega J*, Van Den Heuvel JFJM
European Journal of Plant Pathology 108: 401-407, 2002. IF = 1.475

P163-02 Extraction of caffeine, theobromine and cocoa butter from Brazilian cocoa beans using supercritical CO2 and ethane
Mohamed RS, Saldaña MDA, Mazzafera P*, Zetzl C, Brunner G
Industrial & Engineering Chemistry Research 41: 6751-6758, 2002. IF = 1.247

P164-02 Metabolic changes in soybean plants in response to waterlogging in the presence of nitrate
Sousa CAF, Sodek L*
Changes in N and C compounds in the root system of soybean after flooding in the presence of nitrate were investigated. Large increases in protein and amino acids (especially alanine) were recorded. It was concluded that phloem transport was the source of C for these increases while nitrate (both exogenous and endogenous) was the source of N.
Physiology and Molecular Biology of Plants 8: 97-104, 2002.

P165-02 The metabolic response of plants to oxygen deficiency
Sousa CAF, Sodek L*
A review of metabolic changes underlying the response of plants to oxygen deficiency (p.ex. on flooding) with special emphasis on N metabolism.
Brazilian Journal of Plant Physiology 14: 83-94, 2002.

P166-02 Do fecal shields provide physical protection to larvae of the tortoise beetles Plagiometriona flavescens and Stolas chalybea against natural enemies?
Nogueira-de-Sá F, Trigo JR*
Entomologia experimentalis et applicata 104: 203-206, 2002. IF = 0.915

P167-02 Structure-activity relationships of pyrrolizidine, alkaloids in insect chemical defense against the orb-weaving spider Nephila clavipes
Silva KL, Trigo JR*
Journal of Chemical Ecology 28: 657-668, 2002. IF = 1.392

AN008-02 Characterization of monoclonal antibodies to identify the severe strain of “Capão Bonito” CTV
Stach-Machado, DR*, Peroni LA, Dias LCF, Caporino MC, Muller GW, Targon MLPN, Machado MA
In: Proceeding of the 15th Conference of the International Organization of Citrus Virology 165-171, 2002.

C021-02 The Biodiversity Virtual Institute: a Brazilian experience that can be used as model for research programs on conservation and sustainable use of the biodiversity
Speglich E, Joly CA*
Despite increasing awareness of its importance, information on biodiversity is not easily available. Too often, information is dispersed, fragmented, difficult to access, not integrated with other information, out-of-date, and underused. To help overcome such problems, in 1999 the Research Programme in Conservation and Sustainable Use of Biodiversity of the state of São Paulo, Brazil (BIOTA/FAPESP) and the Virtual Biodiversity Programme ( were established. The programmes are based on the premises contained in the Convention on Biodiversity. The primary objective of these programmes is to study biodiversity of the state of São Paulo. Objectives focus on: understanding the processes that generate and maintain biodiversity; understanding the processes that threaten biodiversity; standardizing ways to gather and make information available to the public, policymakers and decisionmakers; ensuring easy public access to this information; and improving teaching standards on conservation of biodiversity and sustainable use. All projects are linked through the environmental information system of the BIOTA/FAPESP. This system, in turn, is linked to a 1:50 000 electronic map of the state of São Paulo. These systems, which are freely available on the internet, are being used by state branches in charge of biodiversity protection and social and economic planning. Finally, the BIOTA/FAPESP has also launched an electronic peer-reviewed journal, BIOTA NEOTROPICA, to publish research on conservation and sustainable use of biodiversity in the neotropics (
In: Promoting Best Practices for Conservation and Sustainable Use of Biodiversity of Global Significance in Arid and Semiarid Zones in the Developing World. Third World Network of Scientific Organizations (TWNSO) & United Nations Environment Programme (UNEP) & Global Environment Facility (GEF). BIOTA/FAPESP, 2002.

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