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The annotation of six cluster N Mycobacterium smegmatis phages (Kevin1, Nenae, Parmesanjohn, ShrimpFriedEgg, Smurph, and SpongeBob) reveals regions of genomic diversity, particularly within the central region of the genome. The genome of Kevin1 includes two orphams (genes with no similarity to other phage genes), with one predicted to encode an AAA-ATPase., (Copyright © 2019 Caratenuto et al.)

Mycobacteriophages Chancellor, Mitti, and Wintermute infect Mycobacterium smegmatis mc 2 155 and are closely related to phages Cheetobro and Fionnbharth in subcluster K4. Genome sizes range from 57,697 bp to 58,046 bp. Phages are predicted to be temperate and to infect the pathogen Mycobacterium tuberculosis ., (Copyright © 2017 Edgington et al.)

The benefits of teaching manual sign language skills to severely and profoundly mentally retarded persons are becoming well documented. However, if these individuals are to use manual signing for functional communication, then their daily caregivers must also be skilled in the use of signs. In this study, a program for teaching signing skills to institutional personnel was evaluated. The generality of the program's effectiveness was investigated in three studies involving different groups of staff: paraprofessional direct care staff, specialty habilitation persons, and nurses. Results showed that the training program, consisting of written and verbal instructions, modeling, practice, and verbal feedback, was effective in rapidly teaching signs to all participating staff members. Also, the acquired signing skills maintained over time, the program was well received by staff, and staff used the signs in their routine interactions with institutionalized residents. Results are discussed with respect to the need to insure that handicapped individuals have a manual signing community with which to use their signing skills and to important components of effective staff training programs.