Protein disulfide isomerases (PDIs) are conserved chaperone-like proteins that play an essential role during protein folding and in some cases during degradation. Substrate-specific effects of PDI family members occur during the ER-associated degradation of diverse substrates in yeast and mammalian cells.

One dominant discourse in the mental health arena revolves around evidencebased practice (EBP). Although there is ongoing debate about the implementation of EBP in the mental health field, most of these discussions have been limited to modernist ideas. While discussions about EBP have occurred from alternate perspectives, particularly postmodernism, a lack of open dialogue has resulted in these two groups ''talking past each other'' (Levy in Family Process 45:55-73, 2006). In this article we discuss the positions of both modernism and postmodernism with consideration of their respective epistemologies and attitudes toward research and EBP. We argue that critical thinking about EBP needs to include mutual debate from both modern and postmodern perspectives.

Contact with environmental microbes are arguably the most common species interaction in which any animal participates. Studies have noted diverse relationships between hosts and resident microbes, which can have strong consequences for host development, physiology, and behavior. Many of these studies focus specifically on pathogens or beneficial microbes, while the benign microbes, of which the majority of bacteria could be described, are often ignored. Here, we explore the nature of the relationships between the grass spider Agelenopsis pennsylvanica and bacteria collected from their cuticles in situ. First, using culture-based methods, we identified a portion of the cuticular bacterial communities that are naturally associated with these spiders. Then, we topically exposed spiders to a subset of these bacterial monocultures to estimate how bacterial exposure may alter 3 host behavioral traits: boldness, aggressiveness, and activity level. We conducted these behavioral assays 3 times before and 3 times after topical application, and compared the changes observed in each trait with spiders that were exposed to a sterile control treatment. We identified 9 species of bacteria from the cuticles of 36 spiders and exposed groups of 20 spiders to 1 of 4 species of cuticular bacteria. We found that exposure to Dermacoccus nishinomiyaensis and Staphylococcus saprophyticus was associated with a 10-fold decrease in the foraging aggressiveness of spiders toward prey in their web. Since bacterial exposure did not have survival consequences for hosts, these data suggest that interactions with cuticular bacteria, even non-pathogenic bacteria, could alter host behavior.

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AlanGrant, Baee, Corofin, OrangeOswald, and Vincenzo are newly isolated phages of Mycobacterium smegmatis mc2155 discovered in Pittsburgh, Pennsylvania, USA. All five phages share nucleotide similarity with cluster B mycobacteriophages but span considerable diversity with Corofin and OrangeOswald in subcluster B3, AlanGrant and Vincenzo in subcluster B4, and Baee in subcluster B5.