Microbes and their products play key roles in complementing chemical fertilizers and plant protection chemicals by eliciting defence mechanisms in crop plants,thereby providing immunity and resistance against diverse ...Microbes and their products play key roles in complementing chemical fertilizers and plant protection chemicals by eliciting defence mechanisms in crop plants,thereby providing immunity and resistance against diverse stresses.Among the different environmental technologies used to mitigate climate change,several microbiological interventions are promising,among which biofilms,both naturally-existing and laboratory-developed,and their application have gained momentum recently.Microbial biofilms are aggregations of microbial cells in a self-generated polymeric matrix,which are produced by several genera of bacteria,yeasts,cyanobacteria,and fungi as a mode of reproductive fitness,thereby advantageous in successful proliferation,even in extreme environments.The propensity of microbial biofilms to grow in diverse niches and adapt to biotic and abiotic stresses illustrates their immense potential as biofertilizers and disease suppression options in various crops across diverse ecologies.In the inhospitable habitats of deserts and denudated land,biofilms play an important role in preventing soil erosion and sustaining vegetation,microflora,and fauna.Biofilms represent a mode of growth for several microbes with plant growth-promoting and biocontrol potential,which are important in seed establishment and the facilitation of exchanging nutrients and metabolites from the environment.In this review,we discuss the prospects of microbial biofilms as a green option in agriculture in general and,more specifically,their potential in mitigating climate change.展开更多
Recombinant inbred lines(RILs) serve as powerful tools for genetic mapping.RILs are obtained by crossing two inbred lines followed by repeated selfing or sib-mating to create a set of new
Actin cytoskeleton plays an important role in cell morphogenesis in plants as demonstrated by pharmacological,biochemical,and genetic studies.The actin cytoskeleton may be involved in
Wild relatives and un-adapted germplasm of crop species harbors several adaptive traits.Introgression of genes for economic and adaptive traits brings in novel genetic variation into the gene
Background:Prisons in Madagascar are at high risk of plague outbreak.Occurrence of plague epidemic in prisons can cause significant episode of urban plague through the movement of potentially infected humans,rodents a...Background:Prisons in Madagascar are at high risk of plague outbreak.Occurrence of plague epidemic in prisons can cause significant episode of urban plague through the movement of potentially infected humans,rodents and fleas.Rodent and flea controls are essential in plague prevention,by reducing human contact with plague reservoirs and vectors.Insecticide treatment is the key step available for the control of rat fleas which transmit the disease from infected rodents to human.The implementation of an adapted flea control strategy should rely on the insecticide susceptibility status of the targeted population.For the purpose of plague prevention campaign in prisons,we conducted insecticide resistance survey on Xenopsylla cheopis,the rat flea.Methods:Fleas were collected on rats caught in six prisons of Madagascar.They were exposed to insecticide treated filter papers and mortality was recorded following World Health Organization protocol.Results:The fleas collected in the prisons had different resistance patterns,while a high level of resistance to insecticides tested was described in the Antanimora prison,located in the heart of Antananarivo,the capital of Madagascar.Conclusions:This finding is alarming in the context of public health,knowing that the effectiveness of flea control could be jeopardized by insecticide resistance.In order to establish more accurate rat fleas control in prisons,the main recommendations are based on continuous monitoring insecticide susceptibility of flea,insecticide rotation,and the development of a new method for flea control.展开更多
基金financial support from the Network Project on Microorganisms-Applications of Microorganisms in Agriculture and Allied Sectors granted by the Indian Council of Agricultural Research (ICAR), New Delhi, to Dr. Radha Prasanna
文摘Microbes and their products play key roles in complementing chemical fertilizers and plant protection chemicals by eliciting defence mechanisms in crop plants,thereby providing immunity and resistance against diverse stresses.Among the different environmental technologies used to mitigate climate change,several microbiological interventions are promising,among which biofilms,both naturally-existing and laboratory-developed,and their application have gained momentum recently.Microbial biofilms are aggregations of microbial cells in a self-generated polymeric matrix,which are produced by several genera of bacteria,yeasts,cyanobacteria,and fungi as a mode of reproductive fitness,thereby advantageous in successful proliferation,even in extreme environments.The propensity of microbial biofilms to grow in diverse niches and adapt to biotic and abiotic stresses illustrates their immense potential as biofertilizers and disease suppression options in various crops across diverse ecologies.In the inhospitable habitats of deserts and denudated land,biofilms play an important role in preventing soil erosion and sustaining vegetation,microflora,and fauna.Biofilms represent a mode of growth for several microbes with plant growth-promoting and biocontrol potential,which are important in seed establishment and the facilitation of exchanging nutrients and metabolites from the environment.In this review,we discuss the prospects of microbial biofilms as a green option in agriculture in general and,more specifically,their potential in mitigating climate change.
文摘Recombinant inbred lines(RILs) serve as powerful tools for genetic mapping.RILs are obtained by crossing two inbred lines followed by repeated selfing or sib-mating to create a set of new
文摘Actin cytoskeleton plays an important role in cell morphogenesis in plants as demonstrated by pharmacological,biochemical,and genetic studies.The actin cytoskeleton may be involved in
文摘Wild relatives and un-adapted germplasm of crop species harbors several adaptive traits.Introgression of genes for economic and adaptive traits brings in novel genetic variation into the gene
基金The fleas tested here were collected during rodent control campaign funded by the Swiss Embassy-Antananarivo(Ref#771.22.00-1-MAE/RML)Laboratory works were funded by Institut Pasteur de Madagascar.
文摘Background:Prisons in Madagascar are at high risk of plague outbreak.Occurrence of plague epidemic in prisons can cause significant episode of urban plague through the movement of potentially infected humans,rodents and fleas.Rodent and flea controls are essential in plague prevention,by reducing human contact with plague reservoirs and vectors.Insecticide treatment is the key step available for the control of rat fleas which transmit the disease from infected rodents to human.The implementation of an adapted flea control strategy should rely on the insecticide susceptibility status of the targeted population.For the purpose of plague prevention campaign in prisons,we conducted insecticide resistance survey on Xenopsylla cheopis,the rat flea.Methods:Fleas were collected on rats caught in six prisons of Madagascar.They were exposed to insecticide treated filter papers and mortality was recorded following World Health Organization protocol.Results:The fleas collected in the prisons had different resistance patterns,while a high level of resistance to insecticides tested was described in the Antanimora prison,located in the heart of Antananarivo,the capital of Madagascar.Conclusions:This finding is alarming in the context of public health,knowing that the effectiveness of flea control could be jeopardized by insecticide resistance.In order to establish more accurate rat fleas control in prisons,the main recommendations are based on continuous monitoring insecticide susceptibility of flea,insecticide rotation,and the development of a new method for flea control.
