Changes in spore chemistry and appearance with increasing maturity

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Changes in spore chemistry and appearance with increasing maturity. / Fraser, Wesley T.; Watson, Jonathan S.; Sephton, Mark A.; Lomax, Barry H.; Harrington, Guy; Gosling, William D.; Self, Stephen.

In: Review of Palaeobotany and Palynology, Vol. 201, 01.02.2014, p. 41-46.

Research output: Contribution to journalArticle

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APA

Fraser, W. T., Watson, J. S., Sephton, M. A., Lomax, B. H., Harrington, G., Gosling, W. D., & Self, S. (2014). Changes in spore chemistry and appearance with increasing maturity. Review of Palaeobotany and Palynology, 201, 41-46. https://doi.org/10.1016/j.revpalbo.2013.11.001

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Author

Fraser, Wesley T. ; Watson, Jonathan S. ; Sephton, Mark A. ; Lomax, Barry H. ; Harrington, Guy ; Gosling, William D. ; Self, Stephen. / Changes in spore chemistry and appearance with increasing maturity. In: Review of Palaeobotany and Palynology. 2014 ; Vol. 201. pp. 41-46.

Bibtex

@article{4131e1cb0ae147499dc26c21fa82747f,
title = "Changes in spore chemistry and appearance with increasing maturity",
abstract = "Sporopollenin is the primary biopolymer found in the walls of pollen and spores; during maturation sporopollenin undergoes a number of discrete chemical changes, despite maintaining identifiable morphological features which can be exploited for palynological study. Here we report the results of heating experiments performed using Lycopodium clavatum spores designed to investigate the changes that occur within sporopollenin across a wide range of temperatures (0–350 °C) to simulate different degrees of maturation. Changes in sporopollenin functionality were assessed using Fourier transform infrared (FTIR) microspectroscopy. Our analyses show that the chemical structure of sporopollenin remains relatively stable over a wide range of simulated maturation conditions, until a threshold of 250–300 °C is reached, at which point a reorganisation of chemical structure begins. Comparison of these artificially matured spores with fossil material obtained from a Carboniferous-age section in the United Kingdom shows a strong chemical resemblance, suggesting that our experimental procedure accurately reflects the process of maturation and provides an insight into the chemical stability of sporopollenin in the geosphere.",
keywords = "sporopollenin, thermal maturation, palynology, palynomorph, spore, heating",
author = "Fraser, {Wesley T.} and Watson, {Jonathan S.} and Sephton, {Mark A.} and Lomax, {Barry H.} and Guy Harrington and Gosling, {William D.} and Stephen Self",
year = "2014",
month = feb,
day = "1",
doi = "10.1016/j.revpalbo.2013.11.001",
language = "English",
volume = "201",
pages = "41--46",
journal = "Review of Palaeobotany and Palynology",
issn = "0034-6667",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Changes in spore chemistry and appearance with increasing maturity

AU - Fraser, Wesley T.

AU - Watson, Jonathan S.

AU - Sephton, Mark A.

AU - Lomax, Barry H.

AU - Harrington, Guy

AU - Gosling, William D.

AU - Self, Stephen

PY - 2014/2/1

Y1 - 2014/2/1

N2 - Sporopollenin is the primary biopolymer found in the walls of pollen and spores; during maturation sporopollenin undergoes a number of discrete chemical changes, despite maintaining identifiable morphological features which can be exploited for palynological study. Here we report the results of heating experiments performed using Lycopodium clavatum spores designed to investigate the changes that occur within sporopollenin across a wide range of temperatures (0–350 °C) to simulate different degrees of maturation. Changes in sporopollenin functionality were assessed using Fourier transform infrared (FTIR) microspectroscopy. Our analyses show that the chemical structure of sporopollenin remains relatively stable over a wide range of simulated maturation conditions, until a threshold of 250–300 °C is reached, at which point a reorganisation of chemical structure begins. Comparison of these artificially matured spores with fossil material obtained from a Carboniferous-age section in the United Kingdom shows a strong chemical resemblance, suggesting that our experimental procedure accurately reflects the process of maturation and provides an insight into the chemical stability of sporopollenin in the geosphere.

AB - Sporopollenin is the primary biopolymer found in the walls of pollen and spores; during maturation sporopollenin undergoes a number of discrete chemical changes, despite maintaining identifiable morphological features which can be exploited for palynological study. Here we report the results of heating experiments performed using Lycopodium clavatum spores designed to investigate the changes that occur within sporopollenin across a wide range of temperatures (0–350 °C) to simulate different degrees of maturation. Changes in sporopollenin functionality were assessed using Fourier transform infrared (FTIR) microspectroscopy. Our analyses show that the chemical structure of sporopollenin remains relatively stable over a wide range of simulated maturation conditions, until a threshold of 250–300 °C is reached, at which point a reorganisation of chemical structure begins. Comparison of these artificially matured spores with fossil material obtained from a Carboniferous-age section in the United Kingdom shows a strong chemical resemblance, suggesting that our experimental procedure accurately reflects the process of maturation and provides an insight into the chemical stability of sporopollenin in the geosphere.

KW - sporopollenin

KW - thermal maturation

KW - palynology

KW - palynomorph

KW - spore

KW - heating

U2 - 10.1016/j.revpalbo.2013.11.001

DO - 10.1016/j.revpalbo.2013.11.001

M3 - Article

VL - 201

SP - 41

EP - 46

JO - Review of Palaeobotany and Palynology

JF - Review of Palaeobotany and Palynology

SN - 0034-6667

ER -