Abstract: An LED package improved in efficiency and brightness. In the package, a body has a mounting part thereon. A plurality of light emitting diode chips are mounted on the mounting part. The mounting part has a cross-section upwardly convexed with a non-planar top portion so that at least two adjacent ones of the light emitting diode chips have opposing side surfaces facing a different direction from each other.

Abstract: A high quality white light emitting device capable of adjusting color balance easily. A substrate is provided. A light emitting structure includes an n-type semiconductor layer, an active layer and a p-type semiconductor layer sequentially formed on the substrate. Here, the light emitting structure emits primary radiation. Wavelength conversion film elements absorb a portion of the primary radiation and convert the absorbed portion of the primary radiation into secondary radiation of a different wavelength. The wavelength conversion film elements define an open region for selectively transmitting the primary radiation therethrough.

Abstract: The present invention relates to a polynucleotide having a 306-bp fragment of an ANA polymerase gene subunit B (rpoB) of Streptomyces, and an identifying method of Streptomyces species using the same. According to the identifying method, the Streptomyces can be detected or identified accurately, economically, and easily. In addition, the identifying method of rifampin-resistant and rifampin-sensitive Streptomyces is a molecular-biological method having advantages in efficiency in terms of cost and time, and accuracy, and which can be widely used for identifying the Streptomyces species in the future.

Abstract: The present invention relates to a pair of primers specific to mycobacterial spedes, a polynucleotide of an hsp 65 gene fragment, and a method for the identification of mycobacterial species by using the same. More specifically, the 604-bp hsp 65 gene fragment can be applied to identification methods of mycobacteria such as the comparative sequence analysis method, the probe hybridization method, and PCR-RFLP, which can resolve the problems of a conventional identification method based on bio-chemical characteristics, where the genus mycobacterium covers various species and has a low growth rate, and of the problems of 16s rDNA. Thus, according to the identification method of the present invention, the mycobacterial species can be identified simply, economically, and accurately.

Abstract: Disclosed is a method for identifying Streptomyces species using groEL2 gene that can compensate for drawbacks of conventional methods of morphologic classification and 16S rDNA identification being time-consuming, unfaithful, and expensive, thus enabling to efficiently identify Streptomyces species.

Abstract: The present invention relates to a method for detecting and identifying mycobacterial species which comprises steps of amplifying 342 bp of rpoB gene fragments from clinically isolated mycobacterial using mycobacterial rpoB-specific PCR primers; sequencing 306 bp regions of the amplified 342 bp of rpoB gene fragments except the primer regions; and, inferring a phylogenetic tree with reference species. In accordance with the present invention, it was found that rpoB sequences from 44 mycobacterial species provide a basis for systematic phylogenetic relationship which can be used to identify clinically isolated mycobacteria that are pathogenic or potentially so. Accordingly, the amplification of rpoB DNA followed by automated sequencing and the analysis of phylogenetic relationships with the reference species can be used efficiently to detect and identify clinical isolates of mycobacteria which have not been identified by the conventional methods.