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Diversity of Protists III

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Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...

Diversity of Protists II

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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...

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Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...

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Understanding the context and appreciating the complexity of evaluating the Diversity Program Consortium.

Lourdes R Guerrero¹, Teresa Seeman¹, Heather McCreath¹

¹University of California San Diego, La Jolla, California, USA.

New Directions for Evaluation

|August 4, 2023

Summary

The National Institutes of Health

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Area of Science:

Biomedical research workforce diversity
Inclusive excellence in STEM
National-scale scientific workforce development

Background:

The National Institutes of Health (NIH) invested in the Diversity Program Consortium (DPC) to foster inclusive excellence.
Understanding how to increase diversity in the NIH-funded workforce requires a scientific approach.
This chapter contextualizes a complex, consortium-wide evaluation study.

Purpose of the Study:

To provide an overview of the context for the Diversity Program Consortium's evaluation study.
To help readers understand the complexity of the evaluation.
To set the stage for a detailed examination of interventions aimed at increasing workforce diversity.

Main Methods:

This chapter focuses on the contextual background of the evaluation.
It describes the scale and scope of the evaluation effort.
It highlights the unique nature of this study within NIH history.

Main Results:

The evaluation is the first of its kind in NIH history.
It is a large-scale, national, systemic, and longitudinal study.
It examines harmonized interventions in undergraduate biomedical research training.

Conclusions:

The Diversity Program Consortium represents a significant NIH investment in workforce diversity.
The evaluation study is unprecedented in its scope and methodology.
Understanding the context is crucial for interpreting the study's findings on inclusive excellence.