@article{fdi:010066043, title = {{N}itrous oxide ({N}2{O}) emissions by termites : does the feeding guild matter ?}, author = {{B}rauman, {A}lain and {M}ajeed, {M}. {Z}. and {B}uatois, {B}. and {R}obert, {A}lain and {P}ablo, {A}nne- {L}aure and {M}iambi, {E}.}, editor = {}, language = {{ENG}}, abstract = {{I}n the tropics, termites are major players in the mineralization of organic matter leading to the production of greenhouse gases including nitrous oxide ({N}2{O}). {T}ermites have a wide trophic diversity and their {N}-metabolism depends on the feeding guild. {T}his study assessed the extent to which {N}2{O} emission levels were determined by termite feeding guild and tested the hypothesis that termite species feeding on a diet rich in {N} emit higher levels of {N}2{O} than those feeding on a diet low in {N}. {A}n in-vitro incubation approach was used to determine the levels of {N}2{O} production in 14 termite species belonging to different feeding guilds, collected from a wide range of biomes. {F}ungus-growing and soil-feeding termites emit {N}2{O}. {T}he {N}2{O} production levels varied considerably, ranging from 13.14 to 117.62 ng {N}2{O}-{N} d(-1) (g dry wt.)(-1) for soil-feeding species, with {C}ubitermes spp. having the highest production levels, and from 39.61 to 65.61 ng {N}2{O}-{N} d(-1) (g dry wt.)(-1) for fungus-growing species. {W}ood-feeding termites were net {N}2{O} consumers rather than {N}2{O} producers with a consumption ranging from 16.09 to 45.22 ng {N}2{O}-{N} d(-1) (g dry wt.)(-1). {I}ncubating live termites together with their mound increased the levels of {N}2{O} production by between 6 and 13 fold for soil-feeders, with the highest increase in {C}apritermes capricornis, and between 14 and 34 fold for fungus-growers, with the highest increase in {M}acrotermes muelleri. {A}mmoniaoxidizing (amo{A}-{AOB} and amo{A}-{AOA}) and denitrifying (nir{K}, nir{S}, nos{Z}) gene markers were detected in the guts of all termite species studied. {N}o correlation was found between the abundance of these marker genes and the levels of {N}2{O} production from different feeding guilds. {O}verall, these results support the hypothesis that {N}2{O} production rates were higher in termites feeding on substrates with higher {N} content, such as soil and fungi, compared to those feeding on {N}-poor wood.}, keywords = {}, booktitle = {}, journal = {{P}los {O}ne}, volume = {10}, numero = {12}, pages = {art. e0144340 [13 ]}, ISSN = {1932-6203}, year = {2015}, DOI = {10.1371/journal.pone.0144340}, URL = {https://www.documentation.ird.fr/hor/fdi:010066043}, }