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Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution. / Cordero, Radames J B; Robert, Vincent; Cardinali, Gianluigi; Arinze, Ebuka S; Thon, Susanna M; Casadevall, Arturo.

In: Current Biology, Vol. 28, No. 16, 20.08.2018, p. 2657-2664.e3.

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Harvard

Cordero, RJB, Robert, V, Cardinali, G, Arinze, ES, Thon, SM & Casadevall, A 2018, 'Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution' Current Biology, vol. 28, no. 16, pp. 2657-2664.e3. https://doi.org/10.1016/j.cub.2018.06.034

APA

Cordero, R. J. B., Robert, V., Cardinali, G., Arinze, E. S., Thon, S. M., & Casadevall, A. (2018). Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution. Current Biology, 28(16), 2657-2664.e3. https://doi.org/10.1016/j.cub.2018.06.034

Vancouver

Cordero RJB, Robert V, Cardinali G, Arinze ES, Thon SM, Casadevall A. Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution. Current Biology. 2018 Aug 20;28(16):2657-2664.e3. https://doi.org/10.1016/j.cub.2018.06.034

Author

Cordero, Radames J B ; Robert, Vincent ; Cardinali, Gianluigi ; Arinze, Ebuka S ; Thon, Susanna M ; Casadevall, Arturo. / Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution. In: Current Biology. 2018 ; Vol. 28, No. 16. pp. 2657-2664.e3.

BibTeX

@article{b61c4cd24e354da2892ac650b6db7047,
title = "Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution",
abstract = "Pigmentation is a fundamental characteristic of living organisms that is used to absorb radiation energy and to regulate temperature. Since darker pigments absorb more radiation than lighter ones, they stream more heat, which can provide an adaptive advantage at higher latitudes and a disadvantage near the Tropics, because of the risk of overheating. This intuitive process of color-mediated thermoregulation, also known as the theory of thermal melanism (TTM), has been only tested in ectothermic animal models [1-8]. Here, we report an association between yeast pigmentation and their latitude of isolation, with dark-pigmented isolates being more frequent away from the Tropics. To measure the impact of microbial pigmentation in energy capture from radiation, we generated 20 pigmented variants of Cryptococcus neoformans and Candida spp. Infrared thermography revealed that dark-pigmented yeasts heated up faster and reached higher temperatures (up to 2-fold) than lighter ones following irradiation. Melanin-pigmented C. neoformans exhibited a growth advantage relative to non-melanized yeasts when incubated under the light at 4°C but increased thermal susceptibility at 25°C ambient temperatures. Our results extend the TTM to microbiology and suggest pigmentation as an ancient adaptation mechanism for gaining thermal energy from radiation. The contribution of microbial pigmentation in heat absorption is relevant to microbial ecology and for estimating global temperatures. The color variations available in yeasts provide new opportunities in chromatology to quantify radiative heat transfer and validate biophysical models of heat flow [9] that are not possible with plants or animals.",
author = "Cordero, {Radames J B} and Vincent Robert and Gianluigi Cardinali and Arinze, {Ebuka S} and Thon, {Susanna M} and Arturo Casadevall",
note = "Copyright {\circledC} 2018 Elsevier Ltd. All rights reserved.",
year = "2018",
month = "8",
day = "20",
doi = "10.1016/j.cub.2018.06.034",
language = "English",
volume = "28",
pages = "2657--2664.e3",
journal = "Current Biology",
issn = "0960-9822",
publisher = "Cell Press",
number = "16",

}

RIS

TY - JOUR

T1 - Impact of Yeast Pigmentation on Heat Capture and Latitudinal Distribution

AU - Cordero, Radames J B

AU - Robert, Vincent

AU - Cardinali, Gianluigi

AU - Arinze, Ebuka S

AU - Thon, Susanna M

AU - Casadevall, Arturo

N1 - Copyright © 2018 Elsevier Ltd. All rights reserved.

PY - 2018/8/20

Y1 - 2018/8/20

N2 - Pigmentation is a fundamental characteristic of living organisms that is used to absorb radiation energy and to regulate temperature. Since darker pigments absorb more radiation than lighter ones, they stream more heat, which can provide an adaptive advantage at higher latitudes and a disadvantage near the Tropics, because of the risk of overheating. This intuitive process of color-mediated thermoregulation, also known as the theory of thermal melanism (TTM), has been only tested in ectothermic animal models [1-8]. Here, we report an association between yeast pigmentation and their latitude of isolation, with dark-pigmented isolates being more frequent away from the Tropics. To measure the impact of microbial pigmentation in energy capture from radiation, we generated 20 pigmented variants of Cryptococcus neoformans and Candida spp. Infrared thermography revealed that dark-pigmented yeasts heated up faster and reached higher temperatures (up to 2-fold) than lighter ones following irradiation. Melanin-pigmented C. neoformans exhibited a growth advantage relative to non-melanized yeasts when incubated under the light at 4°C but increased thermal susceptibility at 25°C ambient temperatures. Our results extend the TTM to microbiology and suggest pigmentation as an ancient adaptation mechanism for gaining thermal energy from radiation. The contribution of microbial pigmentation in heat absorption is relevant to microbial ecology and for estimating global temperatures. The color variations available in yeasts provide new opportunities in chromatology to quantify radiative heat transfer and validate biophysical models of heat flow [9] that are not possible with plants or animals.

AB - Pigmentation is a fundamental characteristic of living organisms that is used to absorb radiation energy and to regulate temperature. Since darker pigments absorb more radiation than lighter ones, they stream more heat, which can provide an adaptive advantage at higher latitudes and a disadvantage near the Tropics, because of the risk of overheating. This intuitive process of color-mediated thermoregulation, also known as the theory of thermal melanism (TTM), has been only tested in ectothermic animal models [1-8]. Here, we report an association between yeast pigmentation and their latitude of isolation, with dark-pigmented isolates being more frequent away from the Tropics. To measure the impact of microbial pigmentation in energy capture from radiation, we generated 20 pigmented variants of Cryptococcus neoformans and Candida spp. Infrared thermography revealed that dark-pigmented yeasts heated up faster and reached higher temperatures (up to 2-fold) than lighter ones following irradiation. Melanin-pigmented C. neoformans exhibited a growth advantage relative to non-melanized yeasts when incubated under the light at 4°C but increased thermal susceptibility at 25°C ambient temperatures. Our results extend the TTM to microbiology and suggest pigmentation as an ancient adaptation mechanism for gaining thermal energy from radiation. The contribution of microbial pigmentation in heat absorption is relevant to microbial ecology and for estimating global temperatures. The color variations available in yeasts provide new opportunities in chromatology to quantify radiative heat transfer and validate biophysical models of heat flow [9] that are not possible with plants or animals.

U2 - 10.1016/j.cub.2018.06.034

DO - 10.1016/j.cub.2018.06.034

M3 - Article

VL - 28

SP - 2657-2664.e3

JO - Current Biology

JF - Current Biology

SN - 0960-9822

IS - 16

ER -

ID: 9421502