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Keywords: Ageing
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Journal Articles
J Exp Biol (2023) 226 (6): jeb243875.
Published: 27 March 2023
...Bin-Yan Hsu; Nina Cossin-Sevrin; Antoine Stier; Suvi Ruuskanen ABSTRACT The early-life environment is known to affect later-life health and disease, which could be mediated by the early-life programming of telomere length, a key hallmark of ageing. According to the fetal programming of telomere...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (21): jeb244915.
Published: 14 November 2022
...Christian König; Bertram Gerber ABSTRACT Memory scores are dynamic across developmental stages. In particular, memory scores typically decrease from late adolescence into old age, reflecting complex changes in mnemonic and sensory-motor faculties, metabolic and motivational changes, and changes...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (12): jeb242465.
Published: 18 June 2021
... and may be a mechanism through which growth rates affect postnatal telomere dynamics. Ageing Life history Telomeres Trade-offs Yellow-legged gull Telomeres are terminal DNA–protein complexes placed at end of linear chromosomes that play a key role in preventing genome degradation...
Includes: Supplementary data
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Journal Articles
J Exp Biol (2021) 224 (1): jeb231290.
Published: 6 January 2021
... growth could come at a cost in terms of telomere loss ( Monaghan and Ozanne, 2018 ). Telomeres are repetitive non-coding sequences of DNA located at the ends of chromosomes that maintain genomic integrity and stability ( De Lange et al., 2006 ). Telomeres usually shorten with age, and this shortening...
Journal Articles
J Exp Biol (2020) 223 (23): jeb230185.
Published: 2 December 2020
...Andrew W. McCracken; Eleanor Buckle; Mirre J. P. Simons ABSTRACT Dietary restriction (DR) is a key focus in ageing research. Specific conditions and genotypes were recently found to negate lifespan extension by DR, questioning its universal relevance. However, the concept of dietary reaction norms...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (11): jeb224063.
Published: 4 June 2020
... with different maximum lifespan potential (MLSP) and the longer-lived outgroup species Aphyosemion australe were studied to test whether they conform to the predictions of the longevity–homeoviscous adaptation (LHA) theory of ageing. Lipid analyses were performed in whole-fish samples and the peroxidation index...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2019) 222 (24): jeb216176.
Published: 18 December 2019
... (exposed and unexposed) with numbered leg flags for their identification. Nine eggs failed to hatch but hatching success did not differ among experimental groups (see Table S1 ). We blood sampled and measured all experimental chicks at two time points: day 1 and day 5 of age. Although near in time...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (24): jeb207043.
Published: 16 December 2019
.../bj1280044Pc Beckman , K. B. and Ames , B. N. ( 1998 ). The free radical theory of aging matures . Physiol. Rev.   78 , 547 - 581 . 10.1152/physrev.1998.78.2.547 Corona , M. , Hughes , K. A. , Weaver , D. B. and Robinson , G. E. ( 2005 ). Gene expression patterns...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (15): jeb181586.
Published: 10 August 2018
... Baerlocher , G. M. , Rice , K. , Vulto , I. and Lansdorp , P. M. ( 2007 ). Longitudinal data on telomere length in leukocytes from newborn baboons support a marked drop in stem cell turnover around 1 year of age . Aging Cell   6 , 121 - 123 . 10.1111/j.1474-9726.2006.00254.x...
Journal Articles
J Exp Biol (2018) 221 (13): jeb163840.
Published: 6 July 2018
... produced per muscle mass. Obesity and ageing have similar physiological consequences. The synergistic effects of obesity and ageing on muscle function may exacerbate morbidity and mortality. Important future research directions include determining: the relationship between time course of weight gain...
Journal Articles
Journal Articles
J Exp Biol (2013) 216 (8): 1388–1397.
Published: 15 April 2013
... of the Glanville fritillary butterfly ( Melitaea cinxia ). Measurements of MR peak showed significant repeatability. Senescence occurred only shortly before death. RMR showed a U-shaped relationship with age and very low repeatability. Intraspecific association between metabolic rates and lifespan was tested under...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2012) 215 (7): 1076–1083.
Published: 1 April 2012
...Andreas Behrends; Ricarda Scheiner SUMMARY Honey bees ( Apis mellifera ) are well known for their excellent learning abilities. Although most age groups learn quickly to associate an odor with a sucrose reward, newly emerged bees and old foragers often perform poorly. For a long time, the reason...
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Journal Articles
J Exp Biol (2007) 210 (19): 3407–3414.
Published: 1 October 2007
...Børge Moe; Frédéric Angelier; Claus Bech; Olivier Chastel SUMMARY Ageing is associated with a decline in basal metabolic rate (BMR) in many species, including humans. The evolutionary and physiological causes underlying the relationship between age and BMR are poorly understood. Studies...
Journal Articles
J Exp Biol (2005) 208 (9): 1717–1730.
Published: 1 May 2005
... of body mass(exponent between -0.08 and 0.08). This means that across species a gram of tissue on average expends about the same amount of energy before it dies regardless of whether that tissue is located in a shrew, a cow, an elephant or a whale. This fact led to the notion that ageing and lifespan...