scholarly journals Association of Burkholderia glumae and B. gladioli with Panicle Blight Symptoms on Rice in Panama

Plant Disease ◽  
2007 ◽  
Vol 91 (6) ◽  
pp. 767-767 ◽  
Author(s):  
R. Nandakumar ◽  
M. C. Rush ◽  
F. Correa

Panicle blight of rice, caused by Burkholderia glumae, has been a serious problem on rice in Japan since 1955. It has been reported from other rice-producing countries around the world and recently was reported on rice in the southern United States (2). A rice producer in Panama contacted us to verify the occurrence of bacterial panicle blight in rice fields where heavy losses were associated with a disease of unknown etiology, but with typical bacterial panicle blight symptoms (2). The observed grain discoloration, sterility, and abortion were thought to be due to the spinki mite, Steneotarsonemus spinki Smiley. After obtaining a USDA-APHIS import permit (73325), rice panicle samples from seven fields in Panama were sent to our laboratory in 2006. Bacteria were isolated from grains showing typical panicle blight symptoms on the semiselective S-Pg medium. Nonfluorescing colonies producing toxoflavin on King's B medium were selected for further identification. Initial PCR analyses, made with DNA isolated directly from grain crushed in sterile water, with B. glumae specific primers (BGF 5′ACACGG AACACCTGGGTA3′ and BGR 5′TCGCTCTCCCGAAGAGAT3′) gave a positive reaction for B. glumae in all seven samples. Biolog tests (Biolog Inc, Hayward, CA), fatty acid analysis, and PCR using species-specific primers for B. glumae and B. gladioli (BLF 5′CGAGCT AATACCGCGAAA3′ and BLR 5′AGACTCGA GTCAACTGA3′) identified 19 B. glumae and 6 B. gladioli strains among 35 bacterial strains isolated. Only the Biolog and fatty acid analyses identified B. gladioli strains. PCR analysis did not identify B. gladioli strains. To confirm B. gladioli, PCR amplification of the 16S rDNA gene from eight representative strains (four each for B. glumae and B. gladioli) using universal primers (16SF 5′AGAGTTTGATCCTGGCTCAG3′ and 16SR5′GGCTACCTTGTTACGACTT3′) and further sequencing of the PCR product was performed. A BLAST analysis of 16S rDNA sequences in the Genbank data base showed 99% sequence similarity for these two species with other published sequences. Our APHIS import permit did not allow us to perform pathogenicity tests with the strains isolated from Panama, but the B. glumae and B. gladioli strains obtained corresponded closely with pathogenic control cultures isolated from rice grown in the United States or with strains obtained from the ATCC. Other B. glumae strains recently isolated from rice in Panama, and identified by PCR, were tested for pathogenicity in tests conducted at CIAT in Colombia and were found to be pathogenic and highly virulent. These strains caused disease on seedlings when inoculated and typical bacterial panicle blight symptoms on panicles when spray inoculated. This disease has caused severe losses in Panama's rice crop for at least 3 years. Similar symptoms reported in Cuba, Haiti, and the Dominican Republic were attributed to damage from the spinki mite in association with Sarocladium oryzae (Sawada) W. Gams & D. Hawksw. (1). Zeigler and Alvarez (3) reported the occurrence of B. glumae in Columbia in 1987, but not in other Latin American countries. Pseudomonas fuscovaginae was reported in association with rice grain discoloration in Panama (4), but to our knowledge, this is the first report of these two Burkholderia species being associated with panicle blight symptoms on rice in Panama. References: (1) T. B. Bernal et al. Fitosanidad 6:15, 2002. (2). A. K. M. Shahjahan et al. Rice J. 103:26, 2000. (3). R. S. Zeigler and E. Alvarez. Plant Dis. 73:368, 1989. (4). R. S. Zeigler et al. Plant Dis. 71:896, 1987.

EDIS ◽  
2013 ◽  
Vol 2013 (11) ◽  
Author(s):  
Jeanine Beatty ◽  
Karla Shelnutt ◽  
Gail P. A. Kauwell

People have been eating eggs for centuries. Records as far back as 1400 BC show that the Chinese and Egyptians raised birds for their eggs. The first domesticated birds to reach the Americas arrived in 1493 on Christopher Columbus' second voyage to the New World. Most food stores in the United States offer many varieties of chicken eggs to choose from — white, brown, organic, cage free, vegetarian, omega-3 fatty acid enriched, and more. The bottom line is that buying eggs is not as simple as it used to be because more choices exist today. This 4-page fact sheet will help you understand the choices you have as a consumer, so you can determine which variety of egg suits you and your family best. Written by Jeanine Beatty, Karla Shelnutt, and Gail Kauwell, and published by the UF Department of Family Youth and Community Sciences, November 2013. http://edis.ifas.ufl.edu/fy1357


Author(s):  
Alexandra Délano Alonso

This chapter demonstrates how Latin American governments with large populations of migrants with precarious legal status in the United States are working together to promote policies focusing on their well-being and integration. It identifies the context in which these processes of policy diffusion and collaboration have taken place as well as their limitations. Notwithstanding the differences in capacities and motivations based on the domestic political and economic contexts, there is a convergence of practices and policies of diaspora engagement among Latin American countries driven by the common challenges faced by their migrant populations in the United States and by the Latino population more generally. These policies, framed as an issue of rights protection and the promotion of migrants’ well-being, are presented as a form of regional solidarity and unity, and are also mobilized by the Mexican government as a political instrument serving its foreign policy goals.


2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Sanchi Malhotra ◽  
Imran Masood ◽  
Noberto Giglio ◽  
Jay D. Pruetz ◽  
Pia S. Pannaraj

Abstract Background Chagas disease is a pathogenic parasitic infection with approximately 8 million cases worldwide and greater than 300,000 cases in the United States (U.S.). Chagas disease can lead to chronic cardiomyopathy and cardiac complications, with variable cardiac presentations in pediatrics making it difficult to recognize. The purpose of our study is to better understand current knowledge and experience with Chagas related heart disease among pediatric cardiologists in the U.S. Methods We prospectively disseminated a 19-question survey to pediatric cardiologists via 3 pediatric cardiology listservs. The survey included questions about demographics, Chagas disease presentation and experience. Results Of 139 responses, 119 cardiologists treat pediatric patients in the U.S. and were included. Most providers (87%) had not seen a case of Chagas disease in their practice; however, 72% also had never tested for it. The majority of knowledge-based questions about Chagas disease cardiac presentations were answered incorrectly, and 85% of providers expressed discomfort with recognizing cardiac presentations in children. Most respondents selected that they would not include Chagas disease on their differential diagnosis for presentations such as conduction anomalies, myocarditis and/or apical aneurysms, but would be more likely to include it if found in a Latin American immigrant. Of respondents, 87% agreed that they would be likely to attend a Chagas disease-related lecture. Conclusions Pediatric cardiologists in the U.S. have seen very few cases of Chagas disease, albeit most have not sent testing or included it in their differential diagnosis. Most individuals agreed that education on Chagas disease would be worth-while.


2021 ◽  
pp. 003464462199600
Author(s):  
Diego Ayala-McCormick

It has become common to compare racial inequality in the United States with a “Latin American” pattern of racial inequality in which egalitarian racial ideologies mask stark socioeconomic inequalities along racial lines. However, relatively few comparative studies exist attempting to analyze variations in degrees of racial inequality in the Americas. To stimulate further research in this area, the following study analyzes census data on racial inequality in unemployment rates, educational attainment, homeownership rates, and income in Brazil, Colombia, Cuba, Puerto Rico, and the United States. The results suggest that while Brazil is similar to the United States in displaying large levels of racial inequality in the areas measured, Cuba and Puerto Rico display significantly lower levels of racial inequality and Colombia falls in between, undermining conceptions of a monolithic Latin American racial system.


2021 ◽  
Vol 61 (1) ◽  
Author(s):  
Gabriela Bittencourt Gonzalez Mosegui ◽  
Fernando Antõnanzas ◽  
Cid Manso de Mello Vianna ◽  
Paula Rojas

Abstract Background The objective of this paper is to analyze the prices of biological drugs in the treatment of Rheumatoid Arthritis (RA) in three Latin American countries (Brazil, Colombia and Mexico), as well as in Spain and the United States of America (US), from the point of market entry of biosimilars. Methods We analyzed products authorized for commercialization in the last 20 years, in Brazil, Colombia, and Mexico, comparing them to the United States of America (USA) and Spain. For this analysis, we sought the prices and registries of drugs marketed between 1999 and October 1, 2019, in the regulatory agencies’ databases. The pricing between countries was based on purchasing power parity (PPP). Results The US authorized the commercialization of 13 distinct biologicals and four biosimilars in the period. Spain and Brazil marketed 14 biopharmaceuticals for RA, ten original, four biosimilars. Colombia and Mexico have authorized three biosimilars in addition to the ten biological ones. For biological drug prices, the US is the most expensive country. Spain’s price behavior seems intermediate when compared to the three LA countries. Brazil has the highest LA prices, followed by Mexico and Colombia, which has the lowest prices. Spain has the lowest values in PPP, compared to LA countries, while the US has the highest prices. Conclusion The economic effort that LA countries make to access these medicines is much higher than the US and Spain. The use of the PPP ensured a better understanding of the actual access to these inputs in the countries analyzed.


Lipids ◽  
2014 ◽  
Vol 49 (10) ◽  
pp. 1005-1018 ◽  
Author(s):  
Dennis P. Cladis ◽  
Alison C. Kleiner ◽  
Helene H. Freiser ◽  
Charles R. Santerre

1991 ◽  
Vol 1 (1) ◽  
pp. 8-23
Author(s):  
Roger Rouse

In a hidden sweatshop in downtown Los Angeles, Asian and Latino migrants produce automobile parts for a factory in Detroit. As the parts leave the production line, they are stamped “Made in Brazil.” In a small village in the heart of Mexico, a young woman at her father’s wake wears a black T-shirt sent to her by a brother in the United States. The shirt bears a legend that some of the mourners understand but she does not. It reads, “Let’s Have Fun Tonight!” And on the Tijuana-San Diego border, Guillermo Gómez-Peña, a writer originally from Mexico City, reflects on the time he has spent in what he calls “the gap between two worlds”: “Today, eight years after my departure, when they ask me for my nationality or ethnic identity, I cannot answer with a single word, for my ‘identity’ now possesses multiple repertoires: I am Mexican but I am also Chicano and Latin American. On the border they call me ‘chilango’ or ‘mexiquillo’; in the capital, ‘pocho’ or ‘norteno,’ and in Spain ‘sudaca.’… My companion Emily is Anglo-Italian but she speaks Spanish with an Argentinian accent. Together we wander through the ruined Babel that is our American postmodemity.”


1977 ◽  
Vol 7 (2) ◽  
pp. 157-166 ◽  
Author(s):  
Milton Silverman

A survey was conducted on the promotion of 28 prescription drugs in the form of 40 different products marketed in the United States and Latin America by 23 multinational pharmaceutical companies. Striking differences were found in the manner in which the identical drug, marketed by the identical company or its foreign affiliate, was described to physicians in the United States and to physicians in Latin America. In the United States, the listed indications were usually few in number, while the contraindications, warnings, and potential adverse reactions were given in extensive detail. In Latin America, the listed indications were far more numerous, while the hazards were usually minimized, glossed over, or totally ignored. The differences were not simply between the United States on the one hand and all the Latin American countries on the other. There were substantial differences within Latin America, with the same global company telling one story in Mexico, another in Central America, a third in Ecuador and Colombia, and yet another in Brazil. The companies have sought to defend these practices by contending that they are not breaking any Latin American laws. In some countries, however, such promotion is in clear violation of the law. The corporate ethics and social responsibilities concerned here call for examination and action.


2016 ◽  
Vol 37 (2) ◽  
pp. 129-154 ◽  
Author(s):  
Rosa E. Ficek

This article discusses the planning and construction of the Pan-American Highway by focusing on interactions among engineers, government officials, manufacturers, auto enthusiasts, and road promoters from the United States and Latin America. It considers how the Pan-American Highway was made by projects to extend U.S. influence in Latin America but also by Latin American nationalist and regionalist projects that put forward alternative ideas about social and cultural difference—and cooperation—across the Americas. The transnational negotiations that shaped the Pan-American Highway show how roads, as they bring people and places into contact with each other, mobilize diverse actors and projects that can transform the geography and meaning of these technologies.


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