TY  - JOUR
A1  - Ghylin, Trevor W.
A1  - Garcia, Sarahi L.
A1  - Moya, Francisco
A1  - Oyserman, Ben O.
A1  - Schwientek, Patrick
A1  - Forest, Katrina T.
A1  - Mutschler, James
A1  - Dwulit-Smith, Jeffrey
A1  - Chan, Leong-Keat
A1  - Martinez-Garcia, Manuel
A1  - Sczyrba, Alexander
A1  - Stepanauskas, Ramunas
A1  - Grossart, Hans-Peter
A1  - Woyke, Tanja
A1  - Warnecke, Falk
A1  - Malmstrom, Rex
A1  - Bertilsson, Stefan
A1  - McMahon, Katherine D.
T1  - Comparative single-cell genomics reveals potential ecological niches for the freshwater acl Actinobacteria lineage
JF  - The ISME journal : multidisciplinary journal of microbial ecology
N2  - Members of the acI lineage of Actinobacteria are the most abundant microorganisms in most freshwater lakes; however, our understanding of the keys to their success and their role in carbon and nutrient cycling in freshwater systems has been hampered by the lack of pure cultures and genomes. We obtained draft genome assemblies from 11 single cells representing three acI tribes (acI-A1, acI-A7, acI-B1) from four temperate lakes in the United States and Europe. Comparative analysis of acI SAGs and other available freshwater bacterial genomes showed that acI has more gene content directed toward carbohydrate acquisition as compared to Polynucleobacter and LD12 Alphaproteobacteria, which seem to specialize more on carboxylic acids. The acI genomes contain actinorhodopsin as well as some genes involved in anaplerotic carbon fixation indicating the capacity to supplement their known heterotrophic lifestyle. Genome-level differences between the acI-A and acI-B clades suggest specialization at the clade level for carbon substrate acquisition. Overall, the acI genomes appear to be highly streamlined versions of Actinobacteria that include some genes allowing it to take advantage of sunlight and N-rich organic compounds such as polyamines, di-and oligopeptides, branched-chain amino acids and cyanophycin. This work significantly expands the known metabolic potential of the cosmopolitan freshwater acI lineage and its ecological and genetic traits.
Y1  - 2014
U6  - https://doi.org/10.1038/ismej.2014.135
SN  - 1751-7362
SN  - 1751-7370
VL  - 8
IS  - 12
SP  - 2503
EP  - 2516
PB  - Nature Publ. Group
CY  - London
ER  - 
TY  - JOUR
A1  - Fernandez-Fernandez, Jaime
A1  - Moya-Ramon, Manuel
A1  - Santos-Rosa, Francisco Javier
A1  - Gantois, Petrus
A1  - Nakamura, Fabio Yuzo
A1  - Sanz-Rivas, David
A1  - Granacher, Urs
T1  - Within-session sequence of the tennis serve training in youth elite players
JF  - International journal of environmental research and public health
N2  - The influence of muscular fatigue on tennis serve performance within regular training sessions is unclear. Therefore, the aim of the present study was to examine the within-session sequence of the tennis serve in youth tennis. Twenty-five young male (14.9 +/- 0.9 years) and female (14.5 +/- 0.9 years) players participated in this within-subject crossover study, and they were randomly but sex-matched assigned to different training sequences (serve exercise before tennis training (BTS) or after tennis training (ATS)). Pre- and post-tests included serve velocity performance and accuracy, shoulder strength, and range-of-motion (ROM) performance (internal/external rotation). Results showed that after one week of serve training conducted following the ATS sequence, significant decreases were found in serve performance (e.g., speed and accuracy), with standardized differences ranging from d = 0.29 to 1.13, as well as the shoulder function (strength [d = 0.20 to 1.0] and ROM [d = 0.17 to 0.31]) in both female and male players, compared to the BTS sequence. Based on the present findings, it appears more effective to implement serve training before the regular tennis training in youth players. If applied after training, excessive levels of fatigue may cause shoulder imbalances that could be related to an increased injury risk.
KW  - athletes
KW  - athletic performance
KW  - fatigue
KW  - fitness
KW  - shoulder strength
KW  - range of motion
Y1  - 2020
U6  - https://doi.org/10.3390/ijerph18010244
SN  - 1660-4601
VL  - 18
IS  - 1
PB  - MDPI
CY  - Basel
ER  -