• Deciphering the <em>Epargyreus clarus</em> (silver spotted skipper) wing patterning genes 

  Rivera Miranda, Teomie S. (2020-05-20)

  Butterfly wing patterns have captivated evolutionary and developmental biologists for decades because of their vast diversity. Studies have focused on the molecular basis of pattern variation in the Nymphalidae, with little ...

• Al filo del siglo XXI : selección modal en las generaciones de milénials y postmilenials puertorriqueños 

  García Morales, Eliezer (2023-12-01)

  Para explorar la vigencia del modo subjuntivo en el dialecto caribeño hablado en Puerto Rico, se establecieron tres objetivos dispuestos a modo de tareas secuenciales. El primer objetivo fue establecer un análisis contrastivo ...

• Physiological and immunological acclimation in corals differing in life-history traits: a field experiment 

  Rivera Irizarry, Fabiola (2020-05-20)

  Corals can exhibit much variability in life-history strategies. A proposed categorization recognizes competitive, stress-tolerant and weedy species. 'Competitive' corals invest more energy towards growth, 'stress-tolerant' ...

• Arquitectura y color: explorando los efectos fisiológicos y psicológicos del color en la arquitectura 

  Sánchez Rodríguez, Adelmarys (2022-06-15)

  Introducción Puerto Rico actualmente está pasando por una de las crisis mentales más fuertes en la historia. La isla se ha visto en una situación sumamente delicada e inestable por los sucesos ocurridos entre el 2017 y ...

• Reconstructing succession: historical and chronosequence approaches to understanding the assembly of forest communities 

  Picon Ruiz, Monique Marie (2019-12-17)

  Historical legacies can be important determinants of the structure, composition and dynamics of secondary forests recovering from agricultural conversion. Tracing the effects of historical processes on secondary tropical ...

• Exploring mechanisms of behavioral flexibility and individual specialization through the comparison of members of multiple subspecies of honey bees. 

  Pérez Claudio, Eddie (2020-04-02)

  In this thesis, we explore the cognitive basis for the emergence of individual foraging strategies (IFS) across multiple honey bee subspecies using Reversal Learning assays and Free-Flying foraging problems. In Chapter 1 ...

• Impact of climate change on the physiology and distribution of <em>Eleutherodactylus portoricensis</em> 

  Delgado Suazo, Peter (2019-12-12)

  Global climate is changing at unprecedented rates, causing detrimental effects on vulnerable organisms and forcing them to cope with unfavorable conditions. Ectotherms often adapt to changing abiotic variables by altering ...

• Transcript, structural, and histologic characterization of a novel EF-Hand protein and its isoform specific to the Ambulacraria clade 

  Soto Acabá, Arisnel (2020-02-19)

  Transcriptomic databases have become one of the main sources for protein discovery. In our studies of transcripts from normal echinoderms, we have identified several transcripts that have attracted our attention. One of ...

• Maintaining neural function: the role of Gooseberry, the Pax 3/7 homologue in controlling synaptic growth, plasticity, and stability 

  Perez Cambot, Marizabeth (2019-12-09)

  Although neurons are long-lived cells little is known about the mechanisms responsible for maintaining their properties and cellular stability. Here, we investigate the pair-rule transcription factor Gooseberry (Gsb), ...

• Variation of bio-acoustic signals and vocal apparatus anatomy (larynx) of <em>Eleutherodactylus coqui </em>and <em>Eleutherodactylus antillensis</em> in Puerto Rico 

  Ríos Franceschi, Alejandro (2019-12-06)

  The current position of the islands that make up the Caribbean Region, such as the Greater Antilles, the Lesser Antilles and the Bahamas, was a very dynamic one. Our interest in understanding the evolution of anuran ...

• Post-natal deficiency of omega-3 fatty acids: its role on cocaine-seeking behaviors and drug withdrawal severity. 

  Serrano Torres, Sergio (2019-08-21)

  Adolescence is a transitional stage characterized by unique neurobiological changes in the brain. The brain's maturation during this stage, particularly in the frontal cortex and the limbic system, is responsible for ...

• Comparative genomic analysis of proteome reduction in the apicomplexans 

  Rahman, Mohammad Zillur (2020-05-16)

  Apicomplexans are alveolate parasites which include <em>Plasmodium falciparum</em>, the main cause of malaria, one of the world&rsquo;s biggest killers from infectious disease. Apicomplexans are characterized by a reduction ...

• Influence of climatic variables and biological control agents (nematodes) on the distribution and survival of the coffee berry borer, <em>Hypothenemus hempei</em>, in Puerto Rico 

  García Peña, José M. (2019-12-09)

  Coffee is the second largest export product of developing countries and is one of the ten most important cultivated crops in Puerto Rico, especially in the mountainous region. The coffee berry borer (CBB) <em>Hypothenemus ...

• Identification and characterization of Npl3 as a novel prion like protein and its function in the regulation of gene expression in <em>Saccharomyces cerevisiae</em> 

  Bracho Rincon, Dina Paola (2019-12-06)

  Nuclear protein localization-3 (Npl3) is a highly dynamic protein involved in mRNA biogenesis. Previous studies showed that the <em>npl3-95</em> allele encodes a protein that can aggregate into high molecular weight ...

• The role of NMDA receptors in the aggressive phenotype of inflammatory breast cancer (IBC). 

  Mendez-Santacruz, Laura L. (2022-07-26)

  Inflammatory Breast Cancer (IBC) is the most aggressive and lethal type of breast cancer. In most cases, the presence of a solid tumor is replaced by swelling, redness, and skin changes, which results in the misdiagnosis ...

• Molecular mechanisms underlying temperature-dependent synaptic growth at the <em>Drosophila melanogaster</em> neuromuscular junction 

  De Leon Gonzalez, Kevin M. (2023-08-17)

  There is clear evidence that Earth's temperature is rising at an unprecedented rate. While consequences on ecosystems are being extensively studied, little is known about the consequences of temperature on the nervous ...

• Applications of two-dimensional tungsten disulfide and boron nitride nanosheets in self-powered photodetectors and memory devices 

  Ortiz Lago, Wilber (2023-08-22)

  Since single-layer graphene was isolated from highly-oriented pyrolytic graphite in 2004, it led to the beginning of a new revolution in materials science due to its many applications in nano-electronic device technology. ...

• Studies on multifunctional materials applied to energy storage 

  Castillo Cisneros, Ivan Walter (2023-08-07)

  Structure, phonon, and energy storage density in Sr²⁺-substituted lead-free ferroelectric Ba_1-;xSr_xTiO₃ (BST_x) for compositions x= 0.1, 0.3, and 0.7 were investigated ...

• Synthesis and characterization of cathode materials for lithium-sulfur batteries 

  Zuluaga-Gómez, Claudia C. (2023-07-31)

  Lithium-sulfur (Li-S) batteries have attracted considerable interest as next-generation high-density energy storage devices. However, their practical applications are limited due to rapid capacity fading when cycling cells ...

• Synthesis and evaluation of novel heterocyclic ferrocenyl chalcone hybrids as possible anticancer and antioxidant agents 

  Alsina-Sánchez, Ámbar M. (2023-06-02)

  Breast cancer is currently the most diagnosed cancer in women, with 287,850 new cases estimated in 2022, as reported by the American Cancer Society. Therefore, finding an effective treatment for this disease is imperative. ...

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