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Trichoderma

Trichoderma | Biocontrol | Scoop.it
La flora fúngica del suelo es de gran importancia para el funcionamiento de los ecosistemas. Los hongos intervienen en procesos de transformación y degradación de la materia orgánica, en el interca...
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Rusia comprobó que la vida en el espacio cósmico es posible - RIA Novosti

Rusia comprobó que la vida en el espacio cósmico es posible - RIA Novosti | Biocontrol | Scoop.it
Existen microorganismos que son capaces de sobrevivir en el espacio exterior, anunció la Agencia Espacial Rusa Roskosmos.
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Termites Create Their Own Antibiotics : DNews

Termites Create Their Own Antibiotics : DNews | Biocontrol | Scoop.it
Termites have evolved an ingenious and -- thus far -- near foolproof way of foiling humans, a new study has found. (Did U Know?
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Investigating the beneficial traits of Trichoderma hamatum GD12 for sustainable agriculture—insights from genomics

Investigating the beneficial traits of Trichoderma hamatum GD12 for sustainable agriculture—insights from genomics | Biocontrol | Scoop.it

Trichoderma hamatum strain GD12 is unique in that it can promote plant growth, activate biocontrol against pre- and post-emergence soil pathogens and can induce systemic resistance to foliar pathogens. This study provides examples of induced foliar resistance to Magnaporthe oryzae in the model monocot rice. 


Via Elsa Ballini
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Bio-pesticides tipped to be as effective as chemicals - Radio New Zealand

Bio-pesticides tipped to be as effective as chemicals Radio New Zealand A scientist investigating new bio-pesticides for farm and horticulture pests and diseases says they'll be able to compete with the chemical treatments they're designed to...
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The bacteria that make insects digest their own brains

The bacteria that make insects digest their own brains | Biocontrol | Scoop.it

As far as bacteria are concerned, other living creatures are just another niche to exploit, which means that pretty much every animal and plant has a set of bacterial pathogens that come along with it. These bacteria have made the animal in question their speciality, and are highly adapted to live inside their hosts. While these bacteria often make the host ill, or less fit, or sometimes dead, the longer they live with their host, overall, the less they damage it. After all, it’s no help to the bacteria if their home drops down dead right after they’ve moved in.

 

A great example of this is the bacteria Wolbachia, which infect insects and other arthropods and causes them to stop producing male offspring (so only female survive to pass on the bacterial genome). As well as passing from females onto their offspring, Wolbachia can also be transmitted horizontally, that is between insects in the same generation. In its normal host the Wolbachia is not hugely damaging (apart from removing all males from the population) but when transmitted to a new species it causes various unpleasant nervous system complications, often leading to death. It turns out, the reason Wolbachia are more dangerous in new species isn’t because the bacteria go wild in the unexplored territory, rather it’s because the new host doesn’t know how to deal with them.

 

As the bacteria are found inside cells, the best way for an insect immune system to get rid of them, is by destroying the cells that house the bacteria. Which, as previously mentioned, are mainly the gonads and the central nervous system. When the Wolbachia get into a new species, the first response of the insect is to quickly and efficiently destroy any cells which have bacteria inside them. As a consequence the unfortunate insect basically destroys its own brain, leading to various unpleasant symptoms and death.


Via Dr. Stefan Gruenwald
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Kudzu bug may have finally met its match - News Courier

Kudzu bug may have finally met its match - News Courier | Biocontrol | Scoop.it
Kudzu bug may have finally met its match
News Courier
“This local parasitoid wasp has demonstrated a high capacity to reduce significantly the populations of kudzu bugs in soybean fields,” she said.
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Effect of azadirachtin and rotenone on Trichogramma papilionis ...

Effect of azadirachtin and rotenone on Trichogramma papilionis ... | Biocontrol | Scoop.it
The effect of two botanical insecticides- azadirachtin (Neemix 4.5 EC) and rotenone (Rotenone 6.6 EC) were investigated against adult and preimaginal stages (larvae and pupae) of hymenopterans egg parasitoid Trichogramma papilionis ...
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EXTENSION CORNER: Natural predator discovered to control kudzu bug - Gadsden Times

EXTENSION CORNER: Natural predator discovered to control kudzu bug - Gadsden Times | Biocontrol | Scoop.it
EXTENSION CORNER: Natural predator discovered to control kudzu bug Gadsden Times “The discovery of this parasite is especially good news, as it may provide a viable alternative to an imported wasp species, allowing nature to take the exotic kudzu...
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Fungi Developed to Fight Malaria in Mosquitoes - NIH Research Matters - National Institutes of Health (NIH)

Fungi Developed to Fight Malaria in Mosquitoes - NIH Research Matters - National Institutes of Health (NIH) | Biocontrol | Scoop.it
A genetically engineered fungus could be a highly effective tool for preventing malaria transmission. The advance might offer a new line of defense in combating a disease that affects nearly 300 million people worldwide.
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Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia ...

Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia ... | Biocontrol | Scoop.it
Control of foodborne pathogens on leafy green vegetables is crucial for consumer food safety. Biocontrol microbes may inhibit or suppress foodborne pathogen growth and enhance existing post-harvest intervention controls.
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Insects | Free Full-Text | Virology, Epidemiology and Pathology of Glossina Hytrosavirus, and Its Control Prospects in Laboratory Colonies of the Tsetse Fly, Glossina pallidipes (Diptera; Glossinidae)

Insects | Free Full-Text | Virology, Epidemiology and Pathology of Glossina Hytrosavirus, and Its Control Prospects in Laboratory Colonies of the Tsetse Fly, Glossina pallidipes (Diptera; Glossinidae) | Biocontrol | Scoop.it
The Glossina hytrosavirus (family Hytrosaviridae) is a double-stranded DNA virus with rod-shaped, enveloped virions. Its 190 kbp genome encodes 160 putative open reading frames.
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Insects | Free Full-Text | The Non-Photosynthetic Algae Helicosporidium spp.: Emergence of a Novel Group of Insect Pathogens

Insects | Free Full-Text | The Non-Photosynthetic Algae Helicosporidium spp.: Emergence of a Novel Group of Insect Pathogens | Biocontrol | Scoop.it
Since the original description of Helicosporidium parasiticum in 1921, members of the genus Helicosporidium have been reported to infect a wide variety of invertebrates, but their characterization has remained dependent on occasional reports of...
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Producirán bacteria para potenciar cosechas - Vanguardia.com.mx

Producirán bacteria para potenciar cosechas - Vanguardia.com.mx | Biocontrol | Scoop.it
Centro Reproductor de Organismos Benéficos Saltillo, empezará a producir nuevos microorganismosen el 2015, para proteger las raíces y eliminar plagas
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Use of essential oils and biocontrol cultures for the improvement of shelf-life of fresh cut products - AMS Tesi di Dottorato - AlmaDL - Università di Bologna

Use of essential oils and biocontrol cultures for the improvement of shelf-life of fresh cut products - AMS Tesi di Dottorato - AlmaDL - Università di Bologna | Biocontrol | Scoop.it
Use of essential oils and biocontrol cultures for the improvement of shelf-life of fresh cut products http://t.co/2meRKsNnln
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Busseola Fusca Caterpillars Resistant To GM Maize - Science 2.0

Busseola Fusca Caterpillars Resistant To GM Maize - Science 2.0 | Biocontrol | Scoop.it
Busseola Fusca Caterpillars Resistant To GM Maize Science 2.0 Such perspectives could include a more diverse array of toxins for the control of pest populations, possibly supplemented with a biological component such as pathogenic fungi or...
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How wasps and fungi can save crops

How wasps and fungi can save crops | Biocontrol | Scoop.it
Biocontrol is an area of biotechnology that involves replacing pesticides with live organisms - fighting nature with nature.

Via Alan Yoshioka
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State Lab Cultivates Wasp To Combat Citrus Pest - CBS 11

State Lab Cultivates Wasp To Combat Citrus Pest - CBS 11 | Biocontrol | Scoop.it
State Lab Cultivates Wasp To Combat Citrus Pest CBS 11 And a wasp no bigger than a pinprick may be the Texas citrus industry's best weapon against the Asian citrus psyllid, a jumping lice that can infect trees with a devastating disease known as...
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Parasitic DNA: Complete bacterial genome discovered inside genome of a Drosophila fruitfly

Parasitic DNA: Complete bacterial genome discovered inside genome of a Drosophila fruitfly | Biocontrol | Scoop.it

Scientists at the University of Rochester and the J. Craig Venter Institute have discovered a copy of the entire genome of Wolbachia, a bacterial parasite, residing inside the genome of its completely different host species Drosophila Ananassae, the fruitfly. To isolate the fly’s genome from the parasite’s, the flies were fed with a simple antibiotic, killing the Wolbachia, but Wolbachia genes were still there. The scientists found that the genes were residing directly inside the second chromosome of the insect, and that some of these genes are even transcribed in uninfected flies, so that copies of the gene sequence are made in cells that could be used to make Wolbachia proteins.


Via Dr. Stefan Gruenwald
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Native Species Step Up to Fight Ash Parasite - Wall Street Journal

Native Species Step Up to Fight Ash Parasite - Wall Street Journal | Biocontrol | Scoop.it
Wall Street Journal Native Species Step Up to Fight Ash Parasite Wall Street Journal Now, however, scientists have found three reliable native allies in their fight against the scourge: Certain woodpeckers, nuthatches and parasitic wasps have...
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Bio control agent to control tree infestations - The Hindu

Bio control agent to control tree infestations - The Hindu | Biocontrol | Scoop.it
Bio control agent to control tree infestations
The Hindu
Different microorganisms including fungal pathogens that live in the soil can cause diseases in plants.
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Travis Hamon - fyeahmicrobiology: Ophiocordyceps...

Travis Hamon - fyeahmicrobiology: Ophiocordyceps... | Biocontrol | Scoop.it
fyeahmicrobiology:
“ Ophiocordyceps Unilateris. This parasite manipulates, kills, and takes control of formicine ants in tropical forest ecosystems. A previous report in the Atlantic Forest of Minas...
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Smart fungus disarms plant, animal and human immunity

Smart fungus disarms plant, animal and human immunity | Biocontrol | Scoop.it
Fungal and bacterial pathogens are well capable of infecting plants, animals and humans despite their immune systems. Fungi penetrate leafs, stalks and roots, or skin, intestines and lungs, to infect their hosts.
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Biocontrol research on Brazilian peppertree in Florida discovers ...

Biocontrol research on Brazilian peppertree in Florida discovers ... | Biocontrol | Scoop.it
Dr Michael Pogue, a Research Entomologist in the ARS Systematic Entomology Laboratory, at the Smithsonian Institution, Washington, DC, was sent a series of moth specimens from Bahia, Brazil, for identification.
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Insects | Free Full-Text | Action on the Surface: Entomopathogenic Fungi versus the Insect Cuticle

Insects | Free Full-Text | Action on the Surface: Entomopathogenic Fungi versus the Insect Cuticle | Biocontrol | Scoop.it
Infections mediated by broad host range entomopathogenic fungi represent seminal observations that led to one of the first germ theories of disease and are a classic example of a co-evolutionary arms race between a pathogen and target hosts.
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