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Nest composition and worker relatedness in three slave-making ants of the genus Rossomyrmex Arnoldi and their Proformica Ruzsky hosts （Hymenoptera, Formicidae）

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Insect Science 2010年第4期17卷 361-368页

作者： Alberto Tinaut Francisca Ruano Olivia Sanllorente alejandra fernandez-zambrano Celal Karaman Yelimbek Kaz Department of Animal Biology Faculty of Sciences University of Granada Granada Spain Department of Biology Faculty of Arts and Sciences Trakya University Edirne Turkey Department of Biology Faculty of Sciences L.N. Gumilev Eurasian National University Astana Kazakhstan

In this paper, we analyze and compare nest composition and architecture as well as worker relatedness in three related species of slave-making ants： Rossomyrmex anatolicus, R. minuchae, and R. quandratinodum. Colony structure within nests is an important trait in ants, especially in the case of mixed societies, when host and parasite coexist in the same nest. Data for their respective free-living hosts, Proformica korbi, P.. longiseta and P. sp., are also provided. For our study, we integrated a meticulous excava- tion procedure with a genetic method. We conclude that the average number of parasites, as well as of slaves, is species-specific, whereas nest depth depends on the nest archi- tecture of the host. The genus Rossomyrmex seems to be monogynous and monandrous, whereas Proformica shows differences in the number of queens and mating frequency. R. quandratinodum shows different traits in nest composition （host/parasite ratio： P/R） and architecture. The difference in traits may account for some differences in parasitism： raid process or avoidance of parasitism.

关键词： nest architecture nest composition Proformica relatedness Rossomyrmex,slave-making ants

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Multi-Image Studies of Atypical Location of Ventricular Aneurysms and Survival: Clinical Cases Series

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World Journal of Cardiovascular Diseases 2019年第8期9卷 524-537页

作者： Gyselle Camacho-Camacho Isabel Carvajal-Juárez Hector Guatibonza-zambrano alejandra de la Torre Aloha Meave-Gonzalez Candace Keirns Erick Alexanderson-Rosas Alondra Flores-García Nilda Espinola-Zavaleta Department of Nuclear Cardiology National Institute of Cardiology Ignacio Chavez Mexico City Mexico Department of Resonance Imaging National Institute of Cardiology Ignacio Chavez Mexico City Mexico International Medical Interpreters Association Boston ME USA Department of Physiology School of Medicine UNAM Mexico City Mexico Department of Echocardiography ABC Medical Center I.A.P. Mexico City Mexico

Background: A left ventricular aneurysm is a mechanical complication of a myocardial infarction that frequently develops on the anterior and apical wall. Survival of 3 to 5 years is 27% and 12%, respectively. Our objective is to report 3 cases of ventricular aneurysms in atypical locations and analyze the survival of these patients. Material and Methods: Three patients with suspicion of ventricular aneurysm after acute myocardial infarction who sought?attention at our institution were included. All underwent transthoracic echocardiograms (TTE), cardiac magnetic resonance (CMR), nuclear cardiology (NC),?coronary angiotomography and cardiac catheterization to assess the location and characteristics of the aneurysms, left ventricular systolic function and the?anatomical and functional condition of the coronary arteries. Results: The mean age of studied patients was 58.33 ± 10.37 years. The locations of the ventricular aneurysms were lateral, inferior and septal. The patients received optimal medical treatment to control heart failure and were discharged in stable condition without early mortality. The mean follow-up was 6.33 years (intervals: 2 - 9) and during this period the patients were in NYHA functional class I/II. Conclusion: Left ventricular aneurysm is a late mechanical complication of an infarction that can develop in an atypical location. Diagnosis is achieved using non-invasive techniques such as TTE, CMR, NC, and coronary angiotomography. No mortality occurred among the patients during medium and long-term follow-up.

关键词： Aneurysm Myocardial Infarction Echocardiography Cardiac Magnetic Resonance Coronary Angiogram Survival

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