| molecular identification of cinara cupressi and cinara tujafilina (hemiptera, aphididae). | a condition called "cypress mortality" affects forest of austrocedrus chilensis (d. don) pic. ser et bizarri in argentina. their classic groups of symptoms has been described as a slow process of defoliation that culminating in death of the tree; nevertheless, dying and recently dead trees with abundant foliage are frequently observed in which foliage changes to red. cinara (cupressobium) cupressi (buckton) is considered the agent responsible for reddening this indigenous conifer in chile. there ... | 2009 | 19389302 |
| the genome of buchnera aphidicola from the aphid cinara tujafilina provides new clues about the evolutionary history of metabolic losses in bacterial endosymbionts. | the symbiotic association between aphids (homoptera) and buchnera aphidicola (γ-proteobacteria) started about 100-200 million years ago. as a consequence of this relationship, the bacterial genome has undergone a prominent size reduction. the downsize genome process starts when the bacterium enters the host, and will probably end with its extinction and replacement by another healthier bacterium, or with the establishment of metabolic complementation between two or more bacteria. nowadays, sever ... | 2011 | 21571878 |
| genomic analysis of the regulatory elements and links with intrinsic dna structural properties in the shrunken genome of buchnera. | buchnera aphidicola is an obligate symbiotic bacterium, associated with most of the aphididae, whose genome has drastically shrunk during intracellular evolution. gene regulation in buchnera has been a matter of controversy in recent years as the combination of genomic information with the experimental results has been contradictory, refuting or arguing in favour of a functional and responsive transcription regulation in buchnera.the goal of this study was to describe the gene transcription regu ... | 2013 | 23375088 |
| settling down: the genome of serratia symbiotica from the aphid cinara tujafilina zooms in on the process of accommodation to a cooperative intracellular life. | particularly interesting cases of mutualistic endosymbioses come from the establishment of co-obligate associations of more than one species of endosymbiotic bacteria. throughout symbiotic accommodation from a free-living bacterium, passing through a facultative stage and ending as an obligate intracellular one, the symbiont experiences massive genomic losses and phenotypic adjustments. here, we scrutinized the changes in the coevolution of serratia symbiotica and buchnera aphidicola endosymbion ... | 2014 | 24951564 |
| seasonal changes in the endosymbiotic consortia of aphids from the genus cinara. | buchnera aphidicola is the primary endosymbiont of aphids with which it maintains an obligate mutualistic symbiotic relationship. insects also maintain facultative symbiotic relationships with secondary symbionts, and serratia symbiotica is the most common in aphids. the presence of both symbionts in aphids of the subfamily lachninae has been widely studied by our group. we examined two closely related aphids, cinara tujafilina and c. cedri in the present study. even though both b. aphidicola st ... | 2016 | 27297891 |
| reinventing the wheel and making it round again: evolutionary convergence in buchnera-serratia symbiotic consortia between the distantly related lachninae aphids tuberolachnus salignus and cinara cedri. | virtually all aphids (aphididae) harbor buchnera aphidicola as an obligate endosymbiont to compensate nutritional deficiencies arising from their phloem diet. many species within the lachninae subfamily seem to be consistently associated also with serratia symbiotica we have previously shown that both cinara (cinara) cedri and cinara (cupressobium) tujafilina (lachninae: eulachnini tribe) have indeed established co-obligate associations with both buchnera and s. symbiotica however, while buchner ... | 2016 | 27190007 |
| redescription of males of the aphid species cinara (cupressobium) tujafilina and cinara (cupressobium) cupressi (hemiptera, lachninae). | this paper presents the first comprehensive description of the winged males of cinara tujafilina and cinara cupressi (hemiptera, lachninae) and establishes the morphological characters enabling differentiation between them. we show that some populations of c. tujafilina, a species considered to be anholocyclic, may not have lost the genetic ability to produce males and under favourable conditions can develop in a holocyclic manner. | 2015 | 26624353 |