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U. S. library resources on South Asia that were built around the limited needs of a handful of Sanskritics before World War II have made a long journey during the past half century. Since the inception of the Library of Congress Cooperative South Asia Acquisition Program (formerly called "PL-480" program), in 1962, libraries have built significant collections with financial support from governmental agencies and philanthropic foundations, to support teaching and research in all areas of social sciences and humanities. These collections have been supplemented by efforts to build retrospective collections and to microfilm rare materials in British and South Asian libraries and archives. Today, in cooperation with South Asian libraries, several projects are underway to preserve and digitize rapidly deteriorating materials so that these riches can be shared with the global scholarly community through electronic means.
In this paper, focusing on the relevance-theoretic view of cognition, I discuss the idea that what is communicated through an utterance is not merely an explicature upon which implicature(s) are recovered, but rather a propositional complex that contains both explicit and implicit information. More specifically, I propose that this information is constructed on the fly as the interpreter processes every lexical item in its turn while parsing the utterance in real time, in this way creating a string of ad hoc concepts. While hearing an utterance and incrementally constructing a context, the propositional complex communicated by an utterance is pragmatically narrowed and simultaneously pragmatically broadened in order to incorporate only the set of optimally relevant propositions with respect to a specific point in the interpretation. The narrowing of propositions from the initial context at each stage allows relevant propositions to be carried on to the new level, while their broadening adds to the communicated propositional complex new propositions that are linked to the lexical item that is processed at every step of the interpretation process.
Background Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast Saccharomyces cerevisiae is used in industrial ethanol fermentations. However, S. cerevisiae is naturally not able to ferment the pentose sugars D-xylose and L-arabinose, which are present in high amounts in lignocellulosic raw materials. Results We describe the engineering of laboratory and industrial S. cerevisiae strains to co-ferment the pentose sugars D-xylose and L-arabinose. Introduction of a fungal xylose and a bacterial arabinose pathway resulted in strains able to grow on both pentose sugars. Introduction of a xylose pathway into an arabinose-fermenting laboratory strain resulted in nearly complete conversion of arabinose into arabitol due to the L-arabinose reductase activity of the xylose reductase. The industrial strain displayed lower arabitol yield and increased ethanol yield from xylose and arabinose. Conclusion Our work demonstrates simultaneous co-utilization of xylose and arabinose in recombinant strains of S. cerevisiae. In addition, the co-utilization of arabinose together with xylose significantly reduced formation of the by-product xylitol, which contributed to improved ethanol production.
The checkered beetle genera Parvochaetus, n. gen. and Amboakis, n. gen. are described and the genus Ellipotoma Spinola is reviewed. Four new species plus P. linearis (Gorham), which represents a new combination, comprise Parvochaetus: P. albicornis, P. froeschneri, P. fucolatus, and P. sandaracus. Amboakis, a replacement name for the junior homonym Teutonia Opitz, involves four previously described species and 20 new species. The new species are A. anapsis, A. atra, A. barinas, A. binotonis, A. cauca, A. charis, A. epiomidia, A. erythrohapsis, A. funebris, A. incondita, A. katatonis, A. linitis, A. mica, A. micula, A. prolata, A. rudis, A. taruma, A. selva, A. stenosis, and A. vesca. Four previously described species now classified under Amboakis involve new combinations; they are Epiphloeus capitatus Gorham, Epiphloeus nitidus Gorham, Phlogistosternus flavicollis Zayas, and Teutonia nova Opitz. The bitypic Ellipotoma contains E. tenuiformis Spinola and E. turmalis, n. sp. Lectotypes are designated for Epiphloeus capitatus Gorham, Apolopha linearis Gorham, Epiphloeus nitidus Gorham, and Ellipotoma tenuiformis Spinola.
Parvochaetus specimens may be distinguished from Amboakis and Ellipotoma specimens by the extraordinarily slender antennal club. The expanded condition of the funicular antennomeres will separate specimens of Parvochaetus and Amboakis from those of Madoniella. Specimens of the bitypic genus Ellipotoma are very slender in body form and the elytral disk is devoid of secondary (2o) setae. These features will easily separate Ellipotoma specimens from those of Madoniella. On the basis of adult external morphology Parvochaetus and Amboakis may be conveniently organized into monophyletic species groups, 5 in Parvochaetus and 9 in Amboakis. Descriptions of the alimentary canal of Amboakis nova (Opitz) and of the stomodaeal valves of A. nova and Ellipotoma tenuiformis Spinola are provided and serve as basic data for subsequent analyses involving higher categories. The alimentary canal involves a well-differentiated stomodaeum, ventriculus, and proctodaeum. The ventricular papillae are poorly developed and there are 4 cryptonephridial Malpighian tubules. The stomodaeal valve is comprised of 4 primary lobes with the lateral lobes longer and more slender than shorter dorsal and
ventral lobes; the ventral lobe is particularly broad. The male internal reproductive organs are characterized by having two pairs of accessory glands with the medial being longer than the lateral. A well-developed spermatheca and saccular bursa copulatrix are important features of the female internal organs. Species descriptions, a key to species, and biological information are included. These checkered beetles are diurnal, considerably active flyers, and are predators of lignicolous insects and particularly of bark beetles. Included is a discourse of species level and supraspecific level discontinuities. Differences in the aedeagus, antennae, body form, presence or absence of 2o setae, and arrangement of punctations on the elytral disc were important characters in the discernment of species. Forty characters of Parvochaetus, Amboakis, and Ellipotoma
and their states were polarized to hypothesize intergeneric relationships and intrageneric relationships of Parvochaetus and Amboakis. Hennigian principles of phylogenetic analysis were implemented to prepare two trees. The predominant distribution of Parvochaetus, Amboakis, and Ellipotoma taxa in South America suggests that the progenitor of these genera may have existed on that continent with subsequent dispersal and vicariant events distributing species throughout Middle America and onto islands of the Greater Antilles. Pre-Tertiary South American diversification produced 3 ancestral stocks, each of which fostered lineages that migrated northward via the proto-Antillean Archipelago across the isthmanian closure of the late Tertiary. These temporal frameworks, paleographic dispersals, and vicariant events would explain the presence of relatively primitive,
and derived Amboakis elements in Mexico and the presence in Middle America of some more derived descendants from South American ancestral stocks. Herein, is included a list of specimen repositories and collection managers, key to species groups and species, Table of character analysis, Table that describes distributions of these checkered beetles in montane and nonmontane refugia, three halftone habitus illustrations, 146 line drawings, 16 SEM photographs, 10 distribution maps, and 2 diagrams that depict hypotheses of phylogeny.
Within the large variety of subtypes of chronic cough, either defined by their clinical or pathogenetic causes, occupational chronic cough may be regarded as one of the most preventable forms of the disease. Next to obstructive airway diseases such as asthma or chronic obstructive pulmonary disease, which are sometimes concomitant with chronic cough, this chronic airway disease gains importance in the field of occupational medicine since classic fiber-related occupational airway diseases will decrease in the future.
Apart from acute accidents and incidental exposures which may lead to an acute form of cough, there are numerous sources for the development of chronic cough within the workplace. Over the last years, a large number of studies has focused on occupational causes of respiratory diseases and it has emerged that chronic cough is one of the most prevalent work-related airway diseases. Best-known examples of occupations related to the development of cough are coal miners, hard-rock miners, tunnel workers, or concrete manufacturing workers.
As chronic cough is often based on a variety of non-occupational factors such as tobacco smoke, a distinct separation into either occupational or personally -evoked can be difficult. However, revealing the occupational contribution to chronic cough and to the symptom cough in general, which is the commonest cause for the consultation of a physician, can significantly lead to a reduction of the socioeconomic burden of the disease.
Die Redaktion möchte in Kochia ein Forum für die Publikation von Chromosomenzahlen bieten. Die Beiträge in dieser Reihe sind als eigenständige Publikationen zu betrachten und zu zitieren. Wir folgen im Aufbau bewusst eingeführten und bewährten Reihen wie derjenigen über Chromosomenzahlen mediterraner Pflanzen in „Flora Mediterranea“. Zählungen von Taxa werden beginnend mit dieser Folge durchnummeriert. Die Herausgeber hoffen, mit dieser Reihe die Ermittlung von Chromosomenzahlen an Taxa der heimischen Flora zu fördern und vorhandenes Material publik zu machen.