Báo cáo khoa học: "Sequence diversity on four ORFs of citrus tristeza virus correlates with pathogenicity" ppsx

... Guerri J, Moreno P: Variation of haplotype distributions of two genomic regions of citrus tris- teza virus populations from Eastern Spain. Molec Ecol 2003, 12:517-526. 15. Ayllon MA, Lopez C, Navas-Castillo ... five viral genome regions. Thus, the success of the citrus management strategies could depend in part, of the elucidation of the diversity and evolutionary relation...

Ngày tải lên: 12/08/2014, 04:21

... Brumbarova T, Hell R, Grosse I: Analysis of Sequence, Map Position, and Gene Expression Additional file 1 Non-synonymous SNPs. Consecutive and non-consecutive non-synonymous polymorphisms. "Analysis" ... gene both within and between spe- cies. Deviations from this can be a sign of non-neutral evolution [26]. To examine this prediction, we con- Percentage of polymorphism in ea...

Ngày tải lên: 12/08/2014, 03:20

... the CoNLL competition, all three best systems used combinations of classifiers instead of one single classifier. In addition, the effect of our mix of sentences from different corpora on top of WSJ ... three months without I-PP PP-TMP was held for three months without being I-NP NOFUNC held for three months without being charged I-NP NP for three months without being charged . I-PP...

Ngày tải lên: 08/03/2014, 07:20

... pulses for saturation with 1 ms intervals and a total saturation time of  2 s. On- res- onance irradiation of the protein was conducted at a chemi- cal shift of –0.4 p.p.m. and off-resonance at a chemical shift ... transition under conditions of slow exchange on the chemical-shift timescale, the dissociation constant, K d , is given by K d ¼½P½L=½PL Here, [P], [L] and [PL] ar...

Ngày tải lên: 23/03/2014, 04:21

... Structure of the Translation Scheme Three dictionaries are envisaged: a stem dictionary, a prefix dictionary, and a suffix dictionary. If one were dealing with suffixes only (rather than with suffixes ... prefix, and so on. If all the prefixes are replaced with no recognition taking place, we move to consideration of suffixes. One suffix may be considered as a complete additio...

Ngày tải lên: 23/03/2014, 13:20

... sub-corpora based on transliterators perception of the task (Easy or Medium). vestigated the transliterator’s perception of difficulty of the transliteration task with the ensuing word ac- curacy of the ... using only one transliteration, MWA, did not distinguish the performance of each system. 4 Discussion We have evaluated two English to Persian translit- eration systems on a...

Ngày tải lên: 23/03/2014, 18:20

... determination of English articles to the exclusion of all other considerations, or use a combined syntactico- statistical method; the aim of all such routines is the selection of one and only one of ... rules of this kind will enable linguistically unsophisticated person- nel to carry out successful classification operations on the membership of large noun lists without...

Ngày tải lên: 30/03/2014, 17:20

... Griffiths, M. Johnson. 2006a. Contex- tual dependencies in unsupervised word segmentation. In Proc. of the 44th Annual Meeting of the ACL and 21st International Conference on Computational Linguistics (COLING/ACL-2006), ... number of tables labelled with w i , and t h −i ∗ is the total num- ber of occupied tables. Of particular note for our discussion is that in order to calculat...

Ngày tải lên: 31/03/2014, 00:20

Ngày tải lên: 07/08/2014, 18:21

... the compo- nent of diversity due to subdivision into popula- tions within species, and D GT is the component of diversity due to subdivision into species (with- in the complex). These ... the coefficient of gene differentiation among individuals within popula- tions; G SG = D SG/H T, the coefficient of gene dif- ferentiation among populati...

Ngày tải lên: 08/08/2014, 19:21