The first findings of Puerto Rican calcareous sponges are presented in this Thesis. We analyzed the calcareous (subclass Calcinea) sponge diversity of Puerto Rico and an integrative molecular and morphological approach was ...

Las agarasas son enzimas que son capaces de catalizar la hidrólisis de agar. Se clasifican en dos grupos, que son α-agarasa y β-agarasa, de acuerdo con el patrón de escisión. Varias agarasas se han aislado de diferentes ...

The genus "Aristida" (Poaceae) is a varied and well-distributed group of grass within the subfamily Aristidoideae. In Puerto Rico, we count with an endemic species, "Aristida portoricensis", commonly known as "Pelos del ...

Puerto Ricans phenotypic traits are a combination of the admixture of their ancestors Taínos with Europeans and Africans. Shovel-shaped incisors are a common trait among Taínos’ skeletons and are still present in the Puerto ...

Native to Central America, papaya (Carica papaya) is one of the most cultivated fruit crops in tropical areas of the world. The commercial success of papaya is not only due to its high nutritional qualities but also due ...

Auricularia is a taxonomically complex genus, which requires the use of traditional techniques such as tissue evaluation and staining for its characterization. These traditional techniques have not been re-evaluated in ...